{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xa62748da3e0109a934a3d0ad3b3df3a4522832bacae3d35af8fdc5ac2efb396c",
    "signature": "0x5cde59d5657d28ca0ee60e05ae0499cf6701e0a7019b098a13c36137d6a3118a74e3fe084312fe60b050922804dd026f4b3b92e7d07dd1be6ec933cdae72578a1b",
    "signer": "0xAD70397544Ee4e82a6AB7EA8365282a449a99DBD",
    "userId": "640375784"
  }
}