{
  "manageEntity": {
    "action": "Repost",
    "entityId": "999684642",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8aac6905ce625de11a44c4cee4955bbdcf4af3b52ac3df897fa643bd3615afc3",
    "signature": "0xdac9e311cae9eea7fcc2fa7e42a7d2bdee8620d7838f3bebbbeb9915593520c46425734af79b0cead24f7c0033e47e41bb8afd41072ab9f455897d3d467ef3901b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}