{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499337064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6ca6e88c3d84334d7aaaf354608f9f682cebc42a845b05605c90d4c0b12c45ea",
    "signature": "0xe81cb15e7be154f32813b2e6b794cd37188ad08646f4683904eda910653258401b320a253a18b88d94b727164f6c894a2a8bfe7dc535def7e81e2a50999a5df31b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}