Create Metadata

Create a new metadata item for a blob.

POST `/blobs/:org_id/:blob_id/metadata/:alias`

Parameter	Type	Required	Description
`org_id`	string	Yes	The unique ID of the organization.
`blob_id`	string	Yes	The unique ID of the blob.
`alias`	string	Yes	The alias for the new metadata item.

Parameter	Type	Required	Description
`value`	string	No	Arbitrary string value.
`data`	object	No	Arbitrary JSON object.

Parameter	Type	Description
`item_id`	string	The unique ID of the created item.

{
  "value": "high",
  "data": { "score": 0.99 }
}

{
  "status": "success",
  "item_id": "meta_002"
}