{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8341404cac1af7c961085f0f91761ac8be4515e868c7fc54e8cfc899135eec9b",
    "signature": "0x7b1ed0b6c3b4a3c4cd2e489a630688fde344120ca97d73163c24687ffc668e7163beb356a8cddccadd6c0e97a6f6018f889ccaad05c78b0fd01ee8886b04beb41c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}