{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x79103b71dffcf3f13f8d560d380eaa83e63322488bb0642a6a443cde3c79c70c",
    "signature": "0xe0f3b94f283a4165dd371b91a0b659f986dad28a8573474d8e13dc7b9050b5a35883b8cb7d60f2ac38fa92d6462e6aa1aef05d1ca4451bc85a939be6603504321b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}