{
  "manageEntity": {
    "action": "Update",
    "entityId": "766450791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraruxjymaoxdqrm6ks2qlqebxotmz4xwhwazru7izgelbmy76l4njq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":918473908}]}}}",
    "nonce": "0x7e0f6a4e55a9d6a9999667d90cb09d573f2ce0d9697f1fd65370fba7247e26b4",
    "signature": "0xdc36ab60434cf8c1a5f95bbb3c0ed08300c60a6043c15112f159fa91b62a149c7482359faeb350dfdf572513ab960d24a7d9d3fff565b2910215d803edde6c5b1c",
    "signer": "0x6272412539f880F10911D748C1e5A060E6370003",
    "userId": "766450791"
  }
}