{
  "manageEntity": {
    "action": "Update",
    "entityId": "358671973",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierae7llea7c7bdvvgsyzeuov6emtbrt7taftr46esmxj23fmfb3vdkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1554763062}]}}}",
    "nonce": "0x8f1205883fc10d6bc0b03bbd8b9fc96423610333caf607db7f64dd2d3a537eed",
    "signature": "0x5a640222b2cac85cffe0f821f7c66050e046298b19d1ba18fcae0b50753e47f204ba75664b224b59fae83f6ebca9c9d3f58b7c2b9dafa2a93aab68463043bb721b",
    "signer": "0xB5452FE324305f5726552be1c0Cf8734f95F9e9d",
    "userId": "358671973"
  }
}