{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127237",
    "entityType": "User",
    "nonce": "0x1391da9d3380214ddb100ffeb29aceaf1c6519f4b2b84b8cb684a772d6942844",
    "signature": "0xf390de88290d55af070a3907e8b0effa2b2a2610612234979ea9be5eb28638cc62cc70d3fb6d30bf95b31d819e30296192082cfddb26626542d5256690810cf21c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}