{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445867891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16bd26abd694cf7397d509f16fe01894a02892aba23481085963eadfcb6616a3",
    "signature": "0x37a970675659596744948096cd1adad0c57546179a57ee655cd69c415d41efbc5c205a45dbca5ebc29afccb89d9a5ad03cea82e269f05b1c87a67407c03c28301c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}