{
  "manageEntity": {
    "action": "Update",
    "entityId": "174344562",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x23f8f743f8d4580061b61bdfc8dc7d4e80c221ccca6c997ca9e092a40fe874fd",
    "signature": "0x4192076d277993bb12c2d4a5f22b71a2cfff57a962e35a2561582f94a8854db87fc4e43f7c8d8fe8368d1b4f886c870bc184d194c80bfda7b465db3f879cf0991b",
    "signer": "0xb11F5A2F6Cc92F6b1AD888aF10B689Cd336b8d7E",
    "userId": "174344562"
  }
}