{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc6f719782770ed603454e904ad4aa0e295319d29fa027e0e8728fdaaf76f0a63",
    "signature": "0x5b614ec701e9d50de6c4d4729eddb4179a82d3e4d90dfec71db21e027db9e90f4c68988d8e2eeaeb4333a1f310f9bf44fa2956c451771726ea50cad54fd7b8e01c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}