{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1904631957",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9fef055e30d01451621941563fdbe1dc727c44e8dcc6c663fdedeeb0fd97fb70",
    "signature": "0x78cb3ac7beab106e8f7dbca4ab0afffe711e18dd4322e9fb537420e757c6dd9515e32bf659184ae9d1556feb4f793bedc175bbb43fb5d71df02e2a19d9c001c31c",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}