{
  "manageEntity": {
    "action": "Update",
    "entityId": "248649109",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierai2ypxutpcqcafv4v353x2vgci2fpg2glevk4dqc5odreavytqldq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2039172351},{\"type\":\"playlist\",\"playlist_id\":6290063}]}}}",
    "nonce": "0x772357bdb021251db279d3e8131a874c57a584ae60dc3334653118d6a8c79e8b",
    "signature": "0x18c296b4020feb4ea45f5dbf244fd818609bd65fe2803fe164ea5c1165ce9cf2376a42fe97a77b8bebcb9297886ca9a0219f0bd763f19273d604ad379aee69dd1c",
    "signer": "0x202dF8cC0c1C8a607838723f0158d60EEB28acDE",
    "userId": "248649109"
  }
}