{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0xe0f6bc1187ab3c3c468656c133a2ea8c5b7cea2855af0e891b14435e85978571",
    "signature": "0x24d2a71dd6f16a1bd8c9e6fab9ff8be2f32ed5a18cb254acd6e7fa1fd836cc71585b45b4dbd62f3fe269983fb2621d6e7e1625fcb9b3cc0a3dd54e7ee6cf878b1c",
    "signer": "0x00679AE761C2F87aC8a554140d0533e86E36C62e",
    "userId": "700236399"
  }
}