{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1714556",
    "entityType": "User",
    "nonce": "0xf0abf0508bccc11d9f0fb9e919256390fc21667002505400145c7a960142197c",
    "signature": "0x637b59e701ce2127cf5b7852d77b43c2222f8f435831ed71cf53293638041ebf1aa3104d1da87e3c98dc28428839f91dc7e14669362e7a8fbf85fdf59c02a40a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}