{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857227142",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ac90162a7b66d5e60f2258e5957ec0ce892e3133166ce9c2946e398f2e0b372",
    "signature": "0xb44c4d1b454d850cef645921723899ed6fc33b5831a7442db73bc4b195b7765a3eaeab67bf99349a9f515fad97ecbeec43ceb6087ff7b11d61871a3dc01b9bbe1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}