{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60903",
    "entityType": "User",
    "nonce": "0xa51716f45b801e4eb953fadd8ca01fae116761db075bff8d478a32b11ac2e391",
    "signature": "0x62cc1d386d90da96ed124a11e47ec655ee4247d0952ff5ee43e0c079d5c175ab5ba818e30b3618ef87beecc55360a18c82f6cacd8021135b5fe02359ff1017c31c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}