{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3571",
    "entityType": "User",
    "nonce": "0x25d847ef82a75d5c811be6b395658a585e3865918bae6618f2a57be303919395",
    "signature": "0xc41bd53dd6277fd641661b5e83f6981a69fcbd450faa7384cd2db77d306ddec8353db4d63e16ac7eda0aa5ae859a0ede95cf83107025e52a4e224de20fc16eb51b",
    "signer": "0x57952fe23FC9B280A92679ADf900A4eB42305B07",
    "userId": "58414846"
  }
}