{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678196796",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xecb9eb53c828f40eb2320ac8e07a485366fad4f8eb79a0e27489c7b5706dd67a",
    "signature": "0x54caf4885bc9404fdb66ec5416f2e693511ffa015a09484eec09ed5dec0fd61673dfae52656cfd8cd7bdac999c1359c83154e93d24c62f9834afd7d276c09da81b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}