{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2013087093",
    "entityType": "Track",
    "nonce": "0x02ba7ddd5cee6979829fff031d05268f1ebc169a8b1a31fa06836575b7d2711d",
    "signature": "0xc708ce9e192d8a37048759159e0d7a28bd534538d93c91205244f31e09ede6c55d6445943e58990a6aaebf4677d42395f250988891d674adf1ed12325847a0a81c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}