{
  "manageEntity": {
    "action": "Update",
    "entityId": "261912630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xba82cadbe586e8b4c622668e49741ab936e0e43f3cb3e8eb4ce64424751d1b8d",
    "signature": "0xfe535582f6271be09cea782e6295ba9d981046c1d143096076966fe6e5e009751dc8758e98b76ae3b3c3c03d32d6012ebc43fe13d9354dcd2d8aadf6526577601b",
    "signer": "0x48224d763232C471A18fB859BBb17f8aba265236",
    "userId": "261912630"
  }
}