{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0xe5402951d1d268341be75d0314714316aff774d32ce101ec64c016443b5f59ca",
    "signature": "0xa4beb5bd3b4458b2ba4c2706f77182e252e599235310888bfc7d0cdbd6e18da11d9cdd4a9c8a10b907cb2a385fe091ac36a597258b6c452043ddad0a8467dd0b1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}