{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664725",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4348b5470e141fa7801ccc93a3af2b3df29cd16344da6654bb338a4a74e23355",
    "signature": "0xfc2afd112d200a6bab290beb08163d70f5e5fdcbf634dcb4580d15d39c4275537c853b7be681751430969e703b85eeca37a3b75d8c63ecfeb02a2fd0a2e424971c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}