{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3786fba557d7db31bc2695346befc0635aacc55f4f28231ab5c07f9b522670d2",
    "signature": "0x24bdd502462bab5ec41378bab3dc848432b929f16cbe583af4c0de3c65f049ba1824116ef06c8a29252c0384fa1c2a714c10c24125a0cdf09cd599f09420eddb1b",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}