{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1238442530",
    "entityType": "Track",
    "nonce": "0x306dbb26837ca1ac6ad75b57e5952795f4fbb165231849ed4d97590b9fbfc94c",
    "signature": "0x45e2192c45316ebcc7e08a0d98338968d7aea7409bb8f6eb9567b55285a62f7f608fc8dca362a892f0756180e9c2dff2eef54b833ee6cc4d6d73f5f722beefb01b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}