{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0x6504422314f05ee5fdb48044d7bb9c0713c26074a1f2265ffd15c059f8934bbd",
    "signature": "0x71687bdcee45f9f04dec4596c77298f63eb2667e9c3cbaa5e09135cdf36795b229d03dfe506928955c5c8624327e8d66793961c7ff5eb9321a0957bbd69ff50e1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}