{
  "manageEntity": {
    "action": "Update",
    "entityId": "332185878",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdf76babf743a45629ca464a403bf86ae24ec6e02fcfe78bece071b1953843a8f",
    "signature": "0x13021a271998a1d6dc86dd533b775e41b37f6695fe87e2156b76b035f25c6d7a7e75e62c07ee4b67d588871e73321a419bd30b0f508230999fe0c431124cba8c1c",
    "signer": "0x312b5C3647baE91C2fD8A30a64Fe5F6E9ed848d6",
    "userId": "332185878"
  }
}