{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6778df338e96896001cd9040101a9301b52bd1fa81dbc52b1084453e326f3138",
    "signature": "0xdf7a9e4b2d45d6b18e0e3a08b5457f784223faef04715a57fab2459a750a10746e7ccbc1231601c8347f426861729503334b6e13cb7680e46a1a9b8e865054321b",
    "signer": "0x8f658028fD8E1FBA2028aEDade8D43ECF9f55C9a",
    "userId": "606217598"
  }
}