{
  "manageEntity": {
    "action": "Repost",
    "entityId": "763388311",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf2ce5e373053d5480782c87adeb2dff0291dc012d9fbb869a91a5ad2d1e048fd",
    "signature": "0x83acab981dc0f733cab5a4dddde5df28c8175eac4f591ec152b1197988f22b3d584389db4a4e4e8c5c99e5b6196ff21967e457337d956b24098d549a634e64f01c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}