{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312894414",
    "entityType": "User",
    "nonce": "0xeca2adb169734e9774816d74738021a6d9840dc3267d5f96e9221d7f72340142",
    "signature": "0x7e470ccfa93982816c40b8338557c3074b4600e5bdce82fa7f1d787026d0aec51c23889dfdf3de3cddb3e8bfce7bfb44ad523789f516abf20707ee02ba842e691c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}