{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603054565",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7e444e50c0673dfbbec618c6a87c950f5fae794e603af624173d51ca7b780d1",
    "signature": "0x1412c5e8d98caad00b0e7ac0f562e2eb38df5d6401974bec7b5711b6956ee6a03ac538a3b1b8b8239c94b21ee67b164351043296eeb4b63463002b8880f635c71c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}