{
  "manageEntity": {
    "action": "Update",
    "entityId": "79381713",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x16c6f0bf5fc1300d04b99e404a38d234298c590aa3f2e1ba1ff0635ad90f7d8c",
    "signature": "0x893fe5c8cd2b9905784fff6d85db751be1cd10a3240b53c727723fcda294f3b21108dcb4fb00d2704743badfc2046d901085cd4cc0b0f953268cc6276bfbc36f1c",
    "signer": "0x163DE4307626a6115feC44b4F7c8965FC80A3b19",
    "userId": "79381713"
  }
}