{
  "manageEntity": {
    "action": "Update",
    "entityId": "740438126",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x461ce6a8cc841690547c3b33c6b1017b63129f0cc612dcedb2845a27c3ade055",
    "signature": "0x3da7b857a0e0e01c4b90dc5b20f7fb1b56ed0e552d10ed4867f589deb82d985f77d17d425be8131fa149c7250cbaa4cf732b911975ebc6eac9e440c442bcf0cc1b",
    "signer": "0x5cF5222c093911F01AF2Dae6f993D120421f29b3",
    "userId": "740438126"
  }
}