{
"manageEntity": {
"action": "Save",
"entityId": "1950871063",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x7b1ed9b379abf0b615f5d004fd4cfbbf1f34aa9317cac484ebfb30d730455025",
"signature": "0xab08518299e7dc4bd6dc985e4361d8563ed1f6a235bda3f0bb229deeb58e9c73001d031aa7c05541690daadd918e29965ed55ad1eb20183a3b3832f783e769c61b",
"signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
"userId": "989073793"
}
}