{
  "manageEntity": {
    "action": "Update",
    "entityId": "624859599",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaa10ed6daabbe76523aecd16239660d94e66472f71f8393112bad1ab3efd772b",
    "signature": "0x68132f7fe638eb4d49435caff4312b84701e315a60655f54ceae51188278bff91bdad3a9f6c480b16dbfd006648aa6a14c37440ea28f1549421caa087f6ba2b91b",
    "signer": "0xa6824b7d42a5c90A56381f9db082330fDa97C6B2",
    "userId": "624859599"
  }
}