{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407691",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99ce9088c0668e42b4a76c8261ec98ec55e9b193e2eca852e924ea2a84bcfb61",
    "signature": "0x2e754bef41973da143224f16d39e9343cf9c1f9f4e7372dd3e0a04fbba66d2cc103c510d11b47de605d747318e93033a16ff3c37f22be3f7ec683903e16314b91b",
    "signer": "0x54A7bEEa4225786D727D79eDe3df2AaB446aC63A",
    "userId": "757958666"
  }
}