{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43cef6bcc2917e2fdf17982c832f4865442a74e03e476a9f0aa205e5bea2fcca",
    "signature": "0x1c15a549b6234225dea9838f2c54b5a6f49a37f0127dcded50f7e298ae5239dc6749aa6cd1f76b7ed0262097184c987c7b3f1ab5213d71916e4b8ca3a5af151e1c",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}