{
  "manageEntity": {
    "action": "Repost",
    "entityId": "3737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x485cf5f03fa19ee3c7a9b4cd71990d78a077b507b9ed3592a38c5137fde1012f",
    "signature": "0xf83cd78b136f36d3845b95a300617525ede82efb3a55d8cc0f402e363e54baaf050f590a19d2bf51245e1fa4f4b81130ee0ca7f0bfe416ab34f8d5c2a0fe53ba1b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}