{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4955",
    "entityType": "User",
    "nonce": "0x4613ec2cfde67ede4673dade6fa83429f03bce6565bdafd89c45c06482f055ac",
    "signature": "0x199d9e27ffdcf6ac0e068798780eb11a36e09e2ef4a0b41320902d42889bfda9645dd3813c772d9db898d53f052f0cdd155ff9b12e4fc3cc1556fcbe0a152f6c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}