{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966670393",
    "entityType": "User",
    "nonce": "0xf2935cb6d201d9c58bcda0058d96502aab928e4346c5bb636230ea87f1cd63a0",
    "signature": "0x239c778fa4cceb34303e99fddf16f0d66d9fc43a698bcfc8d3c1d889d8a0255201c48ba47e73713a0243608acbeb9e083e00c1512859fc70ac71746e3950d22c1b",
    "signer": "0xFCdf899365d2fD042C4A0A2DB1715E79DF054F23",
    "userId": "672425286"
  }
}