{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1221742429",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf5d8de23fda08bf97662dfce5f122ad62fd6a3ed28f8ac3bb367ceea970701da",
    "signature": "0x77988fa73c5706227bdd4d45cbe40ebd213343e1167fd07e636f034ed4e7dd8474efacd3e1b363f1549c1f08510c67caf1044fb5482ad066f1a2685f2146170f1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}