{
  "manageEntity": {
    "action": "Save",
    "entityId": "1126140771",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x66706d0caa48e71a40a4d9a6c86cb907b990f8dee9c6f5b7af092aa1bfe8c074",
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    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
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}