{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x62f34002a9cef87a66e87b336e662f8a261f60f5bde9f61b37aa073b94d3b654",
    "signature": "0x232cd6eeffd1e9906afeaab90d52027f41601bcccefa3a0f2e0327f3f98066ae32aaea66eabc42584a85c579b29a27c915d0208299d656053c29caecd0c5f8841c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}