{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c05fb53c01b904a2f0474fae1aac94a812f7d4c0b9577f03ed324612ea6ae9b",
    "signature": "0xce074554514c63fb6c1e0a58286ce32f9623a2ad742052836a952e822f532ec62ca01c05b14fc65e5993bc58c00d1d5864e6482d612d76224bb94e14604a87451c",
    "signer": "0x84D0f77A9C8f8fa0D9D5A2bCBcbA8a2b4c43F63a",
    "userId": "732135719"
  }
}