{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748025521",
    "entityType": "Track",
    "nonce": "1792397194881561934",
    "signature": "0x23d3be3fd64a5c71de8d859caf4849c3e70191e8d0ccf684cf2f0a675053587359f2395a8b2654233175d9b862b6bc8474dae7fa226e640fd41981f1226d01471b",
    "signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
    "userId": "451691735"
  }
}