{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604148143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6ade046e548d1f577edfb58cc33e327b4218b7a29b988f597137273480c90f3d",
    "signature": "0x8aa7ec1dcb25ae6d1751b2616e04c7a12cccf4cfcd6b4072e1a2f80feb26b30439200d8c7e8ff5b2628e9735473a1c6889ce2b7408fd44b309fb2d8edc5bf4a41c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}