{
  "manageEntity": {
    "action": "Update",
    "entityId": "842041901",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x57fb87b18c0e80b289d081d464c5f075e84087faa1fcdbc63130344fcf38f844",
    "signature": "0x0e6634092548ab24b35a738ed68de9ffbb71b3c1d5b1d8db000b83456171a20b4ed8eef06f42a9df8a118b386550491beb32b21ca75155c546eb048843d05ff41c",
    "signer": "0xBd1Acc82e41C7BC87095F9BA64fCF986BCB746D0",
    "userId": "842041901"
  }
}