{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77817",
    "entityType": "User",
    "nonce": "0x662f09c437657cd854196132b03c2d1318e1a22b493db93bec31861c5125968e",
    "signature": "0x17ceba211704d6a3a3c74be3be5ab176a62d87fe8e7f391243998a98399110757362787f33d62ac2a0e24ba9a435c17dbed90cb6d9a3a4a550cfbee72ef4cd7a1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}