{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871324932",
    "entityType": "User",
    "nonce": "0xd8bc33713a461b39b8fdaea7a8b73ca7e4c24bd55af1f00c151aed6256abdd1d",
    "signature": "0x91d5eaf89f62ce84fe8a990e48aa7cb7ab02e23174068d844c7edb8872a34aae253da51e2280753d820a757b91832c13cba998c70369c9ac00c09b1e3fb4c2391b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}