{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1640613571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd5b0cb429b343716ebd98a4235bc0b0e48472cc9d247659c1454a801d70380ca",
    "signature": "0x9a51240df00cacd92609b89819b49ea44d606d397f729c21a87df4837178452a43e52ca77edc1587a44575eee8be55f4868f3b5e0c5364470fdb16ac5ee35c971b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}