{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7325",
    "entityType": "User",
    "nonce": "0xd390154f879038e422062103b1e67d818c1d10f365dd9c05971e9467f9671af7",
    "signature": "0x339d1af4d1dba437992b7d28edde1ab29e9c136167afbbda800e397c7928b3076106927b7e549ab2f1fa4cddc289b303a001cd1b32506c5c6e274e5efbcae0041c",
    "signer": "0xEc483842272Dea925128F7ea8Bb85F671f49bBAB",
    "userId": "212561617"
  }
}