{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa3d0f35d6523c0f28118fe4ddf82fa99c1834617ffa26a38248832be9ce65cbb",
    "signature": "0xec963dd6c31a74b926a29abe0ce408bd1ce3b10f6077fcddeca5b0549407ce94619328a357d71b4080bd4e82ae2737850d8150173b08331b27beb9e20016186a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}