{
  "manageEntity": {
    "action": "Update",
    "entityId": "289388272",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x08655a8f65fa2d19b2d79d63860e0909e2a6714951209bb074c30318f6902fd5",
    "signature": "0x41494276174e943bda99c0c0b0fca3ddafdb76b753cb09409283f029a12df33f7e881f95ecfd027047963987769ea3dae34f83abaeae11f7b8677e6daa1b61e71c",
    "signer": "0x91c1cB8b04749B3830411c3517704c393ecB16e3",
    "userId": "289388272"
  }
}