{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499535213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x28ef4e91045a3f82450445e6b1f6e33390611e72c2a8da74c7f5d3177ff9cded",
    "signature": "0xb139f717253950c56cb25b0425f88aea3ab0145c67413af3f847409ee2c09be516b7decaae182dd3c3d66f3a7130771230648d23dce4701e9a7c04c6ecc867a91b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}