{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669856313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x37d4a1468d47103cdb70decef1f7a4cdbb46c56cde8e600468d3011733fbd9a6",
    "signature": "0xe4e7e0196328aaf37e4bb6f32c07214f16aaa85938fcfcbab72d0c1ca28fd09825dd03642eeb13c3356a4da6b689d7f57f27fed2634e706c7590ae7fac8316461b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}