{
  "manageEntity": {
    "action": "Update",
    "entityId": "930754443",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x74ed0b97315b090ce71182e513185a18b5ae9bbec89434a8e8d6586bdeee7a50",
    "signature": "0x8c0acc7c21966b6f7820cf767f43ffb6d2c0811f64d2b45a5b07dc149d96f488211395df2216977b7b4934d12b7ad5acede9e363e0e770b1e8dc5d7eb06251221b",
    "signer": "0x6558B0a655B37203A5C13A10b6bd3BFd6cb44b3d",
    "userId": "930754443"
  }
}