{
  "manageEntity": {
    "action": "Update",
    "entityId": "240318753",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x72fb578061912bb06357a6ec52d17fe265fe3c08c7ba26fc25061c815f909c37",
    "signature": "0x52ba562bf7a069b46bb82739ade2f5650437926374b11bbd3227fe3c0fd9d91b523378d36db9be04d4c8f81438e1a1708e1ee426133a4b023eb6202e903e5cf21c",
    "signer": "0xCF2E1E2F9C1b2f1F60F4100a9F32aA4D53a1368d",
    "userId": "240318753"
  }
}