{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1639970499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21189a31a784c9b1fb06bf30bc674c62af79cf5aa3a983d4a514c940426944d5",
    "signature": "0x539cb39fc1e7b06f25dad1e1123934f84d87a96021524471379c326bd012387e15d6bdbce8d796131ebfa67243243d700a232df8a0290109f069bd8e1a63b3b71b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}