{
  "manageEntity": {
    "action": "Repost",
    "entityId": "307439",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3568eb26cd2e5cf2d66240b8099a5b378c569d3f8f241755378285f95ec7f789",
    "signature": "0x83219894bd60dd04923e18fbecdb415a91ec49db1a5b744ea7a000e3c73baeee295db075f2c023028aa41bfd1c36ba72195db2ef8e9701143936b7c043545a4b1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}