{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "569563152",
    "entityType": "Track",
    "nonce": "0xe4479aecae2c7b26ac6ead0f2e28bbe837ba120b3a58ebc857647388181482c5",
    "signature": "0xed4632f249b024270a7a152dbecd5acba53165e72c213f5e2e0e7a14c08d5b5033895855a54b65859dcc63acc4db9cb5c7104849bd7f27928accaecc143b65251c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}