{
  "manageEntity": {
    "action": "Repost",
    "entityId": "677374",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b26ddf6530690250e94be952e2c65e194183bdff9bcef18179e3b1ba52a5e7d",
    "signature": "0x5d89370ed4d5954f1cf49cfa09821e6d8e6acec14e408b46df6c531b0e6de0ea628e730e202930e03219d88415b407da5e7c7efc04cfe60a680dc140210d9d631b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}