{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603019",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61d28a4ccc8a03de023d3404fa625f1457fa7d11ab139a69f7e36fca0fabdbdd",
    "signature": "0x44afe396308ecfaca21cdfb35e7f266032aefd4460a8bafe0b1878b51eb67da4325303366d9b1245fc9ea418618bc26ed20ac1fff09c951c2e0112cf609423371b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}