{
  "manageEntity": {
    "action": "Repost",
    "entityId": "743611",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc05ebed5ce5e9555d4a35c3a83624563c00bc1aef4018881d8becf1410991d0",
    "signature": "0x149c7c4628a59e9842b26b605b9af6d3722a9b3b149d357976b8c51320b2a71713a29c0b6e5c1f027a7ef32db76461846911b3a549418878b1e2382efa95d7e81c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}