{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xba97bba2841b01c5ebb33cf8ec65ea76b2e177894c58501947088218d3418726",
    "signature": "0x9a14a4571a56177d011fa08c491b8ddf18f2a191d939ddb145e8d37eb887ebf02df5c3e39f8db3a758ea2fc826aedbefe4c8be129d110dc26d92ae5c29fc78a51b",
    "signer": "0x283Dcc42cf4130824Aef4f8Fd219Eee78bF68b42",
    "userId": "777770363"
  }
}