{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955468713",
    "entityType": "User",
    "nonce": "0xd863982720bf0a2bfc64823c6e7b40350c0d5a8b55c9514652883c0537b7b6f2",
    "signature": "0x0b02f931f688e8740ef09ce34884c88abf4ef495e142f79861ac0610a716e1495b2021459d92b037d0c516c990484457ff9a0c933a959eb4ec5288c53c4f32ac1b",
    "signer": "0x1fc5D9D4B88B8D8c7d91F317c38d82Acac11B6E6",
    "userId": "38437"
  }
}