{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9fe135d0a7f5c5bdccd6dedcfdc188a7d13d5bde96723de3faeffc22d067a74a",
    "signature": "0x7af1e788f17f000470c1da30a13214f8bf79e9fe69a1eb34f0b60e788e740bcc795a4df27b5bb5aacac0cda1d5d6c7f78629feb24c53653e146fe2e4d17cdd7d1b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}