{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x61245fb1261679b24273c35a9226f8387a241d1dd19cfd2f0ea5f89aca8fff5e",
    "signature": "0xb89d58c88737a0c7231d0c9bca0ad7b5d05a8e5e5b048bba1bc1463675b876d151a4b49ef86f699c732ee10267218b207db0b3627c10b42cacc74b5798bf193c1b",
    "signer": "0x6b806bc37531815B97B3558Be84fb34384bD73AC",
    "userId": "296466357"
  }
}