{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2cce4d9776aee971143378cc1b3e550e2b2989750248c27038fd5845e21875fe",
    "signature": "0x2a65190ff23805dfdf5477fb3ebfc7f2dc362bf909c664343a292638e41c73871f20c2fd92c195604d7c33a0fc1e8b47c0199787faa8e097fe7ec2829bec963f1c",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}