{
  "manageEntity": {
    "action": "Repost",
    "entityId": "5478321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa59ca4200a246c2941f411a539d287d4de87df34ddca94a542162fe55d2a7a32",
    "signature": "0xd6a8fbf1d98a6cacd29c2b11ed2b86e18228ca1e38bb11f5794cd98ef581dfc61a3960098fe9499e5e201c3735a671ae4f1a5a11c39b9464796807f80041c4651b",
    "signer": "0x16d3EfE8AF349aBc9a3CeBDd1C9E93557f40Ed05",
    "userId": "824673445"
  }
}