{
  "manageEntity": {
    "action": "Update",
    "entityId": "59179559",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe076a61af304ffcfb1df41602c7f6b5085a5b195dff7af393fd558b55955ab1a",
    "signature": "0xfe4b5b15d6f9ef52c0dbc599021cafe69bc6b6dc705447a9d4b067af65999cbb26f1747e5c42f004e49f732b405eaa184c670dce30f00c103f9363b12fec40921c",
    "signer": "0x38A1Ee6dB54e76f16998006192A49737b0A1F8FD",
    "userId": "59179559"
  }
}