{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321690804",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd732590120a83fd9b7406b878e8bf99d6425c0820b5038f3e8af05f681d74a6c",
    "signature": "0x47f8850fa0451621a162cabdd88609af9b027e672e72c25d5c215ffba6971fb33e453103e558effd587e7e3e47dea3c51697360e3122e600e2ba98b172e2c9961b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}