{
  "manageEntity": {
    "action": "Repost",
    "entityId": "749569079",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61d21fca0a11caffd315eb32ded7003e31e5215b9f6e1e876030f339b3eee591",
    "signature": "0x3406cd99d742b068fb506f0e044e40f690cf08e40b1238538491698e9d10af047d3aa84c49e38d48ab3ea76b820ea5aa16b3152933ef070b01452968b8423c081b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}