{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63791",
    "entityType": "User",
    "nonce": "0xc7d46832f5faa2a808853decc0737744995ea5499c2d361b8a249502a66fdbc9",
    "signature": "0x136414ccd5bbd45c424e79ba9c7ad15a4a6698421be4718642901ebe7107385658598063aaa31b27ae60f52b446adb1d968a594f1124c668bbec4053386582011c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}