{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x29809872015c0a3c1196bbf4bb74fac7d97f0fa42823dbef224ef228e7896cad",
    "signature": "0xf0d10503fa4c6ca2812db526c0e2dadfbf6f031daa9d6d83e3670e78bab4159f5d23a1a6c5fd34eba7854994e297eda063a7135336a19ff79226bac61cd07d0c1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}