{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x15f71e3ad02397cad8c879b03d16b21541ecd56bb52a079ee4cf33f683aae37a",
    "signature": "0x68ddb8a338049dbb1b502278f3fb46f7d068b258fe39b2e20c09a11557d09e34021893d53878459a5494731d1e794f1f36cc0680f10038944a30707d0c22c4b31c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}