{
  "manageEntity": {
    "action": "Update",
    "entityId": "922396304",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa288103f159a3ccb67642546a6241d7348f01023877ddac0ef11d84b06f6567c",
    "signature": "0x30b3ec7efd64b852d9d00c5145558b2d9099090c55817548e0d24441b399b36f1157773dc660ee6031ddb6e6d71a7e66d31258e517f2001c9bc83763aa6825bc1c",
    "signer": "0xEa45651BC7053A63E4D6129935f9687d3D307331",
    "userId": "922396304"
  }
}