{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1535071699",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16e208be4b044a75549c9a193c6169fd6356599e6ec617a999d8c3d9e57e9040",
    "signature": "0x5dd1ff47cd2873ef99ec73b9d3f813a844e56b77ce630812fe3cf92da2bfebbb4336d857937a9a2effb531d722fbf152c23a3ff59d8375f388c81667164427721b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}