{
  "manageEntity": {
    "action": "Update",
    "entityId": "375752",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabevnxhr5pui64tyczyddlpqrrqiybm722oji5s7mzwgygfnxp4cq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":91618},{\"type\":\"playlist\",\"playlist_id\":94395},{\"type\":\"playlist\",\"playlist_id\":96154},{\"type\":\"playlist\",\"playlist_id\":54009},{\"type\":\"playlist\",\"playlist_id\":126686},{\"type\":\"playlist\",\"playlist_id\":1239674794},{\"type\":\"playlist\",\"playlist_id\":1934383889},{\"type\":\"playlist\",\"playlist_id\":562981009}]}}}",
    "nonce": "0xa2b276fb1180881460cca772936d69fa67658707fbf29dfa06e46fb72aaf3c84",
    "signature": "0x3a592bd38a5fa8a47ec1cff41cbe45a9ed87ba148be64e8d690dce434567cc9535cc6a97d4cc3cf8898e4f480ee2a91b55969dbb7bb450ae107a42507f8abb2b1c",
    "signer": "0x9a9D8658eB66a22B3C536280FF4375B0a531693b",
    "userId": "375752"
  }
}