{
  "manageEntity": {
    "action": "Repost",
    "entityId": "541123",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d71b136bd474deaaf908c7f537f3db72f1ef191f87926c8f7006efbf4de1a6e",
    "signature": "0x7903ae4848ff721dc09aa10bdb66fe221c9872274dadffa49ca7496368394ba06cdae3c968ffc91747bcaa2bfa0a7e2bdd578d34c4cf6b37d0fbaef747ecce441c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}