{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828616004",
    "entityType": "User",
    "nonce": "0x59abb6adb0487719558a2fbb6960b43c478f9ef922c48bc84db3461784be1f74",
    "signature": "0xc718a46074c60cd254a835818583f738d62d3cf6955fea69872783ee5d9a01b3050d9dc56cdfa99c835d260c561667a389f8b21497eac47b64f60b042af55ff81c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}