{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f94b49eb83e4df6578214ba5ae46587e088df5315ea24a3de8824d8692497d4",
    "signature": "0x8a6d8bd72d801718cb34aac521c85e7b07649aebe347ce695f4e8324b4d782a7725bc13d896ac7dc942fc805b27a8f6e54a46f636f71fa845635f67f8468379e1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}