{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257386",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3aa5bf7b291347d75c34edc8fbb0d11eb9cb348c10a94a315e9ab769cadde88b",
    "signature": "0x106b1942e69720bd4857d62bba7cb8669700012be6b16fc77c48a093102c92be096d87a16c59208a32288ca3576f5b3d6b47135045e8e3b510d9d5725d6ba6b41b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}