{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1655544260",
    "entityType": "Track",
    "nonce": "0xd40fbfb4dab5172ddef5d63c74a5ccf6f9f03363f5656a3ce8cc28e1a091502e",
    "signature": "0x6038719a26bbc4e545df1bcfec44f49c2b92baddeb7727f4ef235d0e56d952147e70efae37e0cd5fff2e2619905d22a320b504325256edaf7e11c1b0be29888c1b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}