{
  "manageEntity": {
    "action": "Repost",
    "entityId": "743722621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c2b492f489d987515e9385e98bf9cfea8e69d968b59b14580ae2abc0f9c888a",
    "signature": "0x7539a920bdb7c7a5ce51554143a86ddfb986732a7210940656983f821fbb07765e8c5789380a6eb47e7e8b76a0768ac5177cfaf62cb80790855249a77c9e01ab1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}