{
  "manageEntity": {
    "action": "Repost",
    "entityId": "749708269",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74d1572c555d3cf2e8269a76e37a0a77e99fab286e98e4506f0567cd912bd0dc",
    "signature": "0xbd857630714a17c1cee943328137c84bedd724b581c2f2a9762f81aea615270a0807905b00e7f4c03d0ad8e54d21441306603a8bcc769df96c830f4eafd071661b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}