{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1553616399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2954fc87447173460ab1310d19f8a11d3ba458a0463d55d0659533c47a6fccd1",
    "signature": "0x1a2aed06f29cdda484c75798f6c59be946f53f7d84c13675f953c1563afaa31704ca4a6c7f9ed68b173b4b3be1b8d564583badeb03949299c271d4b1ba30a8a21c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}