{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x731de41b90914f29a2af71e3536fe1f6a79449125d008f289859f1c4b417d625",
    "signature": "0x06f16064cd113e6d07810ffd3761d5b498806bd2ae722effea6212b3d1c9bbbf4bae21b510ba57224ff80bb4d14c5dc0909a8312ebdc6bd4984a8365f61cddf81c",
    "signer": "0x1481F49fD2f6524D8CDC0089b13bbd2e6E9106F4",
    "userId": "231243"
  }
}