{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670249",
    "entityType": "User",
    "nonce": "0x8811c5422a17b88a7c23eca86e4f2f8ea2deae007986e8bbd32c605dfb091472",
    "signature": "0x1cfde6f2e7bee47999439feae31e70dea524ab9c07653e9d341638a482eacb0963decdf49d50c32ec86e59fae9a09c8bd1c1deccb4bf1be40d9823028fc865dc1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}