{
  "manageEntity": {
    "action": "Repost",
    "entityId": "42839390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x324e5381d67e3883992cf06572309eb9e30c885030dbd92b9805f0054a37c57a",
    "signature": "0x99a3f61dc136d953b9a4ccf3656e5d8ab083933ebbe78d07caef01927cb972303f95b0bcdc8fddebdc861f4da1e07372cd1dffb4c3cacb3a5c5eb4cde8cabe051b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}