{
  "manageEntity": {
    "action": "Repost",
    "entityId": "306599",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x234968a7dde8c72ce8d620b2fc09d395cfca229db93e9d7c12105f1976e7ba6a",
    "signature": "0xd0441cc1737e519322edd6ce2ab7e15528c2c9e2ec9f26808849f0bddd4bea5c3bea9b9b483f86a9c3d21fe3a37f104d5e4e483b9f9dec3d0fd84bc094e86c0a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}