{
  "manageEntity": {
    "action": "Update",
    "entityId": "953219535",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5olyzbzwuff5xzllpuxyatlqmu7zwqcu74ghrtt6cgniuvnbhsrq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2102334422},{\"type\":\"playlist\",\"playlist_id\":1358587117},{\"type\":\"playlist\",\"playlist_id\":2066007995},{\"type\":\"playlist\",\"playlist_id\":1660808931}]}}}",
    "nonce": "0x73f21510574d981112be6ecea7450b3ec4ba540c161a19753dc90554a2235a51",
    "signature": "0x9a2d2fc08f9f292496882c09b0cb3d56c54ad523ffddf06699bb28aad33eba9d4ce04d9a22a47ddb94d942916911755c69bd3891ad2f3b936688777fccdfe3f01b",
    "signer": "0x165ac7dD4D63a6A37cBa24549d0c710442e9b68b",
    "userId": "953219535"
  }
}