{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603074",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9bb81f16cc92c02e137344c6fd3ceec3d0e40fb189e317718939a2d739e44e5",
    "signature": "0x21a11896124bb23eb7585f8ba1acdfcde728913ac495cce0c68e57d176512f481fc5ca526b8bd95a71114041dca88ca9374babf74aa140ab23c85309f8e84c751c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}