{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x526751790d7d60091c38c5fe54e68cd562e257169345650193f06545fbae00d3",
    "signature": "0xc22e4cb9fb8c37467fb1b2ff0f21fecf8047f5ce5f7c44f50399a245816c3d9b0fe141fe1ab420e5638e9366563c2ea05892a1618251767a0273a16063fc2a181b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}