{
  "manageEntity": {
    "action": "Update",
    "entityId": "864530018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraedvs3lqatkvlnpuel7kv4gyigkba27tuzmdiwdoo4l65ldah2hga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1742093109},{\"type\":\"playlist\",\"playlist_id\":836667750},{\"type\":\"playlist\",\"playlist_id\":1078136389}]}}}",
    "nonce": "0xdda2c68b0d8d9cc90c60bf843c837b8ec2488227bb3d9758679486fdf446216e",
    "signature": "0xecc85936a01d66a5433b8c2a49cedaf3c9ba2dcc030e25e9747fe4d92eec63bb7e5205a59e7c9dd2c93bf1142fe3fd824e1581eb2398af86153c38ce0eda3a9f1b",
    "signer": "0xeDE6cf2daA6681F46907C46194f3142e0C9ba4c0",
    "userId": "864530018"
  }
}