{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7548",
    "entityType": "User",
    "nonce": "0x70da696daefd59aa07022d82ad3eb9ad3bd2b79e242be07e9c2e115f60a5da21",
    "signature": "0x78c908bac535321a9152e8c2e371028e209023c29480b50178cc3e877ec1e7107bed3acc40bbc56145b9a673c0c10b4fa943f8cc7720234044456dc28453342d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}