{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5350a3c1cb1e111ef7feb37351408984cfe64a8daaeefa3d8f2ea0335e1fb451",
    "signature": "0xa326fc045eeca1f4f24dafedbc51d1b90fd6a7f739fac7067773409c9aeaf60059334aa981283cd30634a6cdb0a86131cfb99f7eb150ec1cb5a13b773aa3dad11b",
    "signer": "0xe692298c2fe507B9242d2Ed99506e6AA8B56Aa25",
    "userId": "548241694"
  }
}