{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104812",
    "entityType": "User",
    "nonce": "0x326555078e6f8f30dfc36c2db573ff7ee502a8f3af847406b8a1653147572c43",
    "signature": "0xf4ffc861d608f8ba4b244782fd1988b5f3f92d8ece32ac3fecd39f26b620ac2764b507bb7881418b9529b3e588bf7c44fac65d132ea89ef1bd5cb5f66fc61a591b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}