{
  "manageEntity": {
    "action": "Save",
    "entityId": "75104459",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x590e4fab7a104a95e7aff3fb8d9686e36b703c397476d5475b7a1fffc7c6abec",
    "signature": "0x658929cbe2fbf0b3e588586c9a36623d02b426278086aaebfa260ff04ffffc7903d8a189e0d763c72523293d4d31feb34a59910eaf90c4ed98cda1d4dd870d4c1b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
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  }
}