{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856554463",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x555a779cb34b7716b3124ff0823a015c1fff919e916154a8ddc67ae7529f4d0e",
    "signature": "0x5fbffe67adde19547cd3bb4ac9f01b4576d68bad42f221c97fa93c6c67d1762703d9c7a95f73885f848efeb557f0ee49b8fb9037b0b261c6cf07ffd3715b878a1b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}