{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638718376",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe932363e865302f30b83a0f63206be3d51dcb18337e56513bba11447e52286da",
    "signature": "0xbda4ce819a9c8dc5b44ce3d5b13ed6b53df1fa794141fde839bb10f0bb094abb2b5f9e8e87c79aaa64a54ca24381047814c7e54dcab178def86180ac044be9021c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}