{
  "manageEntity": {
    "action": "Update",
    "entityId": "828943403",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3de4e73bb769402c5e2b838c02518294a2a34a728f9836d494ce83bbcd0707c0",
    "signature": "0x46a3cbe78085d1ea319575535e8a1a25fca0358079aa5badc89f6b75c26d3cdb14143e1f89289bdefadf5285c0ad0857c4f67d3c570e0db74127ffd2b608e81c1b",
    "signer": "0x85eEf8ea097ef9044717C3D3FaD6D19Cf8F8DC1f",
    "userId": "828943403"
  }
}