{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4867",
    "entityType": "User",
    "nonce": "0xf3277cb92506cafc55e8b86bee13e93ee1993d238ef34e400b2717acad71b4d7",
    "signature": "0x024f1b46b42766f5216711558c56fb5defec502f01ca774fa316a3b93fefb9467b0f3846b01ab89fabf0b8ab23b9c93d5304c199d6b819ae19d97d6e21fd76431b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}