{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408614663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34e708bfb91aa7405d0b0f72caf8dbdc0f64fb1d68fb19f29b2800bc51fc221b",
    "signature": "0xb14bec6ed063b3b032cda10e421d476200991003e2bba1a5dfdcc1b5a9dd553a64f35dd1c97115306082c16ca4af6fc99fb74d9310fb4491df07d848ed1048c51c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}