{
  "manageEntity": {
    "action": "Repost",
    "entityId": "598247",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb93caf21d62468cfeff2b6a3f4aac3795419fb21be8d4b2b62b577bc0b2a7b2a",
    "signature": "0xc8162e277be03cacaa916259b0d2a7db6a96e17e7d5fee10a5d1172be4153a3009a4a41bf8d6afd51645cc5f7d2cc24089d93dea63fad5d971a12b0b92c52cac1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}