{
  "manageEntity": {
    "action": "Repost",
    "entityId": "251567802",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b5815e2b0c2a07b57ada97bdbb9b2e11493b0cc10c5e1e7d75e75975e4798c8",
    "signature": "0x3fe3e153aa8b2bebe69d96a3ac731ab372beaa42eca24e80723d9bc6b15950ee668882e5021cb5ecfad86103f6a1af6ccbb60ca2561094c857db3c1211fb694a1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}