You can see the number of delegations to your validator with the following command:
./hmy blockchain delegation by-validator one1km7xg8e3xjys7azp9f4xp8hkw79vm2h3f2lade --node="https://api.s0.t.hmny.io"
{
"id": "0",
"jsonrpc": "2.0",
"result": [
{
"Undelegations": [],
"amount": 93000000000000000000,
"delegator_address": "one1ctr58xue32peagud620tmthc95w5ch94vfhfgp",
"reward": 193348691324709180000,
"validator_address": "one1ctr58xue32peagud620tmthc95w5ch94vfhfgp"
},
{
"Undelegations": [],
"amount": 1.01e+22,
"delegator_address": "one1cg5d67v28m3s0xuph46y8w842yu9dzd7094zr5",
"reward": 646413329184000700000,
"validator_address": "one1ctr58xue32peagud620tmthc95w5ch94vfhfgp"
}
]
}