{
  "manageEntity": {
    "action": "Update",
    "entityId": "864530018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x38485bf8ba7b109aedafa3e33bc85c5c74b04cf3a896bb932d0ad9af6ffe8b30",
    "signature": "0xe884ccfb0c9ee85337dc453a7c9bb3b18bc5ad3de174312911e3c05d08ec1ed160f5406e016cc749ca2effd2c301dc505ca3c357e13e660e8488b439fecb4bb21b",
    "signer": "0xeDE6cf2daA6681F46907C46194f3142e0C9ba4c0",
    "userId": "864530018"
  }
}