{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x78971e6ee95f9c03cd3bb117ced64d3662b9e19708627b67293428df470b6f32",
    "signature": "0xed98b7b457b9ad3909e4532aafaf7f635c881fd359746aea8dafbccb38182f576a83044490309025431a152bf3442f28672e6f81808d786f5687e3d9087cecc21b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}