{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74761",
    "entityType": "User",
    "nonce": "0xa2ad2cd32439491ff8ac6d472f6b0d6983d9788a12b87f1c711ee57f876f08fa",
    "signature": "0x548baba67c0c4f252d5f276f13abde4e179e5d34697cf08fc6d69d9220ec2cb42f71cc0fa848d93913df37823a97e8dc2a11bd93f6fcac41c940728b9a41e9211c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}