{
  "manageEntity": {
    "action": "Update",
    "entityId": "422383007",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xadd8a9611194226cabd496b167a36f7faf0dd6ec175a23be910c214786efd705",
    "signature": "0x31a5ba34052b5d514d9a9496e9ad8f005f38eb789bef1d05644b22a6703cc1a9731833e4bfd094345d769da91b016a1a2757eee6ae03d027d5c8753456656da21c",
    "signer": "0x4466e1a64e35Dbca375F17dc03485C9C5c71F49c",
    "userId": "422383007"
  }
}