{
  "manageEntity": {
    "action": "Update",
    "entityId": "292433028",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2b503cdc7ef904dffa2d7477bd7b0f052864b9d2552b57a5555f852464d6690e",
    "signature": "0x3acb86618fb778b5d230427ab84943cbd914271c7e9edd94479ea2b45f0d14cf77eee823984bdf24faee11d5d8a62358f40f38cde55021c604dc8289be0446091c",
    "signer": "0x4271322EC7204add6CDDdcb502a46efcc31ec460",
    "userId": "292433028"
  }
}