{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39727",
    "entityType": "User",
    "nonce": "0x4bbe40f1b722cf3c518ed0f57d37e1a1e4ef257c3a6067f4e6ffda6491baff4e",
    "signature": "0x2aa13223d3fbbb26cfb71be2d8ce8980acab0ebfc0180c1a94c98a4d4eb1052a6a9749af8972592c24185511c47edf4e91b9ad72b8282a10d8bc13bd9aab80ce1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}