{
  "manageEntity": {
    "action": "Update",
    "entityId": "717204756",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraucmqro3efsnwvqmwwi32nxjpna3pxgqpkyimnhiz5xbaeezpspoa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1738055374},{\"type\":\"playlist\",\"playlist_id\":637954378}]}}}",
    "nonce": "0x7259855d55412c0f6041208e489a5621cd936ddfe49522ab7fbbd36eb9641d2d",
    "signature": "0xc6125137622b4dc3843f56c196e6c1599c14f9e1f88ddb795de8c896207e3af02d9c5dfa1d83897f920c2472faced38515c3adf9fc00a60eda9c2309d95cd1071b",
    "signer": "0x0b289935781577C694c5584F1947A990E9a8E0CD",
    "userId": "717204756"
  }
}