{
  "manageEntity": {
    "action": "Repost",
    "entityId": "749708269",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e94db46f1de666bdaeb379c98e1bf027232c1061d8a4277e5af3e3bbb103e00",
    "signature": "0xe9b3514207de302130d32f091e9e370cdb35d49734afa0c7e827466ec99ba24d41e57c1259eab478ee2b703afa1eeab18b444a3c7210624791e2990baad8de2e1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}