{
  "manageEntity": {
    "action": "Delete",
    "entityId": "126503115",
    "entityType": "Track",
    "nonce": "0xc53f17601385402197fb4c3c1c117dc589272a923058c15eeb932eb68a22bb65",
    "signature": "0x42e1a0f061b894473f43f0f7813b8aa79aa59b36b458bb2a296ccd42935a81506c237166a5d12c583440b23c1db303be43022e772806ad4bf7ff6bcdd8b7a87e1c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}