{
  "manageEntity": {
    "action": "Delete",
    "entityId": "249934354",
    "entityType": "Track",
    "nonce": "0x3c0353659416d9cfb4c6a61fb173198b58bbb2766140eeab48ba796cb06f827c",
    "signature": "0x3cbdc46ac38bbcfef1c566e86ae3b9c0992c6c66c6acef9396d65112844bd58c40896e4ef49cb633172bd016b1a3b40a7e4a930417aefcbdbf1ea6b1f057f91a1c",
    "signer": "0x44C636A7DdBEc27F76F1FBd261d0bF83Fc54D7d7",
    "userId": "296936"
  }
}