{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2fe73879888a896b4fcfeb1c4fa5aff23f0f7e9f0cf1f2dbc9118e501d1f40ef",
    "signature": "0xa53c7f09c570bd036493d39b9b13e10aae7f39be423b2fd3c2572ff364f2916d1347b69f4f326ee33c7341b40449e8e51fa96bd29ee2273d195cf45a2121386f1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}