{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1631718020",
    "entityType": "Track",
    "nonce": "0xd43d56340ab9c18418ca299a4d4a04da6048914973fac432f60a3d0f2212cca5",
    "signature": "0x42be4d6ac132d22e289635a5db2ce6028b853a9e7148d87f2450c5da68e62f916b32129646ff5d453dd5ad096b99ccf6566497eb822e76e3970c4d812ad4e3a41b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}