{
  "manageEntity": {
    "action": "Repost",
    "entityId": "752972",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45d93428eee539cd311a4e56ba6352a64afe4203359e30c8eaa4070e26384543",
    "signature": "0x6758592049e28b3b2e5c1bd74fc755d93d68a34d4cf0b8eb1c1f2c20757ed5d637af5e7ddcfd12093b7cb5f2d059b9a06a737eb660ad62687da3b59a19a329711c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}