{
  "manageEntity": {
    "action": "Update",
    "entityId": "65846854",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x37ce8662779aa52bb30c542df309ea6ab40507f02ffd7568c49c746f01f5ae9a",
    "signature": "0x99364483c8d47f2112c8281ba818b0b41ca5f939130301d0ed8d0d9d5e0390b549f0c97f7c48b8fad27e8d653c55d1a4c8863dce9bd7768c5d919dc97221209e1c",
    "signer": "0x7a3b33afbBf9762d6309Cf2e1a4910e4c4EAA6f9",
    "userId": "65846854"
  }
}