{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xfbaedb77ac3ca29ef2d440621ba2fd44a75d65809d2f5da86b8685f54b060113",
    "signature": "0x2afb68aaf3bf24d55d3b2fbef70ba4ff47ab99f8516c1fcdab7b9a4cf3a6ed56764ece0fb37e13e0d5e6d337c5b23879be008dc3eb6e339858e11aaed49c20bd1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}