{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1365c041f3f78b62faff3be448e3abd261d75d22ccf4cbf410ccbd4e4389693d",
    "signature": "0xfb289d5fd6c666d4b683a4fef486d484110d923db24075d811928b6c3336e03777e8d7e442f16d6d4ebb4915d3de6d5fb6e3bd20bba5109de8c00413fc2e0eb01b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}