{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x244bc74b0955264dc7141f5e5430e3ff8cd3450ee996926dc6e9641ae2e639ca",
    "signature": "0x6c133feb01bea5f9ede454005498e93fbce0992a7bb038fb83a8cf177fe1cc850b02c99685bcabc5388b5a407a2ba4332432c5941dfa2ed2c6c0094b14a2b41c1c",
    "signer": "0x1EEEf459C8e361773166d5681a5066659BC751D5",
    "userId": "210033902"
  }
}