{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41803",
    "entityType": "User",
    "nonce": "0xed7418f6d3c06e09413735d94bab84a22b470d12716bf98c7608d2810a2ca220",
    "signature": "0x2a9966d907a911e05701f2075f1480766ec09d120d0e172bcc631baafe52a0214a4737b89cb17957275c646e0bca23c567f7443843b8817ccfacf3c24c6f569b1c",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}