{
  "manageEntity": {
    "action": "Update",
    "entityId": "786659341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9bcb61a525e8ade6000c50e2fb4cdd66e2879be9eaf2662e9602624bd5c7101d",
    "signature": "0xe27f79309619a6ee3c1b2314f199eda9656cb27d0fda73765a333f003599cc7738456557751f7cd88ef5ae60f6354620940ee26542e39abbb0518c8c427c638a1b",
    "signer": "0x8cF7053DF6aB6d8Ba9d6eB6FfaC2e94e61bA0081",
    "userId": "786659341"
  }
}