{
  "manageEntity": {
    "action": "Update",
    "entityId": "1415762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoxe7m3krimz36wdbdichcyhoetpn4efy424dk7ylwns3kiuympjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1087030952},{\"type\":\"playlist\",\"playlist_id\":1054052567}]}}}",
    "nonce": "0x11663e55fe44a6cbd0e2d9ad6fb221bed0f18de6d2ccef2af3e4bccd4dc4e228",
    "signature": "0x06fb3b139f3d6a4a7e462d4e36c0b7d66438f1a43353bb18bff324cda46d73784abaaea0b9d3281ddc9dcfc6db6c0dfc914428ba3435c18021af9e3d2d0eec221c",
    "signer": "0x803cAa47D9F525D1180159ddCAC9575061b200B3",
    "userId": "1415762"
  }
}