{
  "manageEntity": {
    "action": "Repost",
    "entityId": "514764678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8be9ee6cc3fafa511f1b1984269960a04915424a271989b65b557b178b555f7d",
    "signature": "0x582711817cf2260a603e3944938588cea9abc6451de843de41d472ab8c4001a33b06b0737cb487d0100cc7fc2bad89cd844aca795602d79fd45137ac8ea22fe31c",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}