{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1378628721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f50dfee2f4264624c6957eeba963c69f07e4dc7804571287d1f61320a144172",
    "signature": "0xf4911199f216833125e5709dfdf328af6ca248d1bc93f9a03065496a7f0316556f5c62efeef9b71ce5ec65ca92a8118e32649999410261eb712a8a438f27cf071b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}