{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16053",
    "entityType": "User",
    "nonce": "0xd7d9adb46ba2e2d08d5bf296a153b394d8f12a98525e7a3343498409a4b926c3",
    "signature": "0xd374d130f8a313376434f2ad6d9d13e7a3afd99b1f3056811fd3d9f157f16ff53966fb439e2da2f47ec9d345a77a93083043f4a1c41eb5dea4dafb1a20cf5a8e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}