{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0xe0a7635f7b8b7c70fb1587dd825bc308db4f02870c83610a9b7ef512d694b6e7",
    "signature": "0x2b41e45a04f122a8d16a078c45501e2bf244a04ea4d2e9f1ecc820feea48d923684bebb000d2ae2dc0838c1ecea59a3c0e483983a881b83c418167f0ea5baa2d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}