{
  "manageEntity": {
    "action": "Repost",
    "entityId": "618747521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7942d7334414df16bf876b6b1c496f2cb373610927166e98806b4e33d7b45d2d",
    "signature": "0x7b96bb8471be0c6cca26ec45ccd28f1a4993bb8ca796a1c54c52ef3ceb00873a57e59b8c154b349c2494c0d471121be2f5534e143c6e9bd9d1bbd1586d9a0c2e1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}