{
  "manageEntity": {
    "action": "Save",
    "entityId": "2049163795",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x09ecd295fd0ffc6339a26519eefa5b25bd5983bb730f1e496f70f435a9e1245d",
    "signature": "0xfbbb7e8a38944141c33ce381f6ac3c09b1e1ee15fcfe306df7aaa9ed38006a6401efc7ca6bae6d01e78934b1627af072df52bb6dfc763753feac0363e575bf8e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}