{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0x7a200bf0a0ca4f9088f192e8c298c88e61b3b08336fd96a74bd68ba079b65811",
    "signature": "0x203bf143a1c32fa9887e0408c682266a964989c833ebd1f1caf72159a7d7ce671b6ab5d72aad42168c012f549c38a2cabbf15ea0fab6d696a0758588284bc34e1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}