{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669256",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4276e011a907b613a893f8128c273c5e9135aa2e20f953f76ec99fc90dd20306",
    "signature": "0xa729eb92f04a2f2bfa99de17a6772964b4d776c325a4c2dce7e9c1a9f8ad88ba7bb6aa183209d4dff174b19fffb612ddb7def3c051ecdc608d37eb0b67efb9d01b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}