{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499585354",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8af3b29deb258fe3528dc2a164856e84e1e3c6fca3f262c4649b9ec71b9c463",
    "signature": "0xe1203b40fcc88bfb32967f19e030a302a4d832b64077576d977d87e01bd1d93121f7f38b6c61e5baf5a5f968839b8034dad79db61204614eff0de1c569b44ebb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}