{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xab9cd2999377b0cf75a443e11bb7c1d44e2811c16335a1122323bde7aaef987f",
    "signature": "0x97c0328fc8956b9906f7d41be1da37a41d98f3c99251e4e3b5b6ce4d932e7a4f2674d513fa778296c1cd04391ff588fad2dd9e61d0b2b7346c48e116a4d11ce01c",
    "signer": "0xdac84BfCb05020e115a5aa145faB60439bd628d0",
    "userId": "174185230"
  }
}