{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454690957",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x91868bc9890ee9943e091445a9cb4d2e8eb12eb498ba6ad498d193bb08dddfde",
    "signature": "0x98c730fb8e26fc25611b28b570b7a9d3fe77bf23ebe2873a3895fb48c43730c274068e4bd71e6e7db99ee4a768e639026e4bc39cc2987cf26e93d48fe4e299bc1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}