{
  "manageEntity": {
    "action": "Update",
    "entityId": "205747246",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x17b9a5d172b03126892f664e70048eeef3a00f6c4dc5258de13f7cb613db8cab",
    "signature": "0x5be7cc6b5bf992f7660fcf60d47c0a0d4dab9663327be075b8fcf7d12b6fcfc114169f3663ec2c993a4927014982d92a8f8d271208b39f182c6fba666e59acdd1b",
    "signer": "0x9b38d62c5f44A4049B41b9c5F568de54EE56fEc6",
    "userId": "205747246"
  }
}