{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4966",
    "entityType": "User",
    "nonce": "0x0a82ead174690d78b6ddcdc1df6b2b59304387a7b4691fd745f18ee2b5d28a13",
    "signature": "0x1a4d2ed3e40138d9c5bd791256df8fffd75087f633f5e930f01d96f1242327106126bf6f0e362b8a75de5822855d5b422ddf22140e576ddf142746f0c685fbad1c",
    "signer": "0x045a00e3418a65C32296d03cfc904Dcb658A4030",
    "userId": "822456571"
  }
}