{
  "manageEntity": {
    "action": "Repost",
    "entityId": "514424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4545e254f10936ff2de68ffe9e8d302c2d209b0e928119987f1a3b9f76a61ab",
    "signature": "0x2f34eed11559e7631544e382423898f6cf07ddeb2481ab536e3071ad1189e3f04fefd1e73ee3971b8c7816c89e3b13a13df2c7028138d27998b4bab7c7d929001b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}