{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x676051948d7a0669ffeffd1f7b733b54c11c1319e8bbf0073235237a3b365a44",
    "signature": "0xfe22ef7ee535cb8d06a52bd56f02d83bed7ac287d97c6686ddfc22c7a78ebee76d799e62074d5ee4cf462a9ce0ffc3ae0e9af0d19edd47bb847a2524429f84471c",
    "signer": "0x65284b16c6C99f85DECF97dEA10cB715d52BfdDc",
    "userId": "533692254"
  }
}