{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23953864",
    "entityType": "User",
    "nonce": "0xb08e17a019ae7fed2f2763627fd1779b6483127b2ec119ff89e4def262953934",
    "signature": "0x380e88919015709822ed93af7eea3e89f6dee4136c00719f4479c403fc08f1c8090f74f7c78953769689c98e64e05a93c82e334e4296724f3fd718182de0fc001b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}