{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaea685aaaf7569766908ac81027972ec004a00731339ff1b5b704f86ce9fae1b",
    "signature": "0xe4231d481efe970eb8a556d173d072faf6dcab0f43374a3eaed4cd9a56f1657a770c2821b79c553cf7bd885cac2670c9ad2cdbb40b20a68b3440d3ca5c0872af1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}