{
  "manageEntity": {
    "action": "Update",
    "entityId": "697544461",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraydz6v6mhk467aj6cep4snudhwszn2dxvhe6tcuthzy7sqdz5j5da\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":815239274},{\"type\":\"playlist\",\"playlist_id\":1247812580},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2005171077},{\"type\":\"playlist\",\"playlist_id\":1499641337}]}}}",
    "nonce": "0xb762246ab18d391128633a446201bf49bb7a1b74364ee78e28fc867752ef432c",
    "signature": "0x3e32649f0c932e66cb41f13be2c2a86e319d17c50036ceef0c6ee634edd2fdb44993f70f6581b22adb4c5b81d4e8b90e8c0b0a9a17d7dd6b467589d4b3e60dd21b",
    "signer": "0xEB437c4B0164273356FE14ccBf1dc550Fa6D1E03",
    "userId": "697544461"
  }
}