{
  "manageEntity": {
    "action": "Save",
    "entityId": "1435441192",
    "entityType": "Track",
    "nonce": "0xa86686b78d5167bf0966bb277f39d559ed2f7ee103f3b115d049e82124762c7c",
    "signature": "0x103d18db18bad751d5e5ad14c2a3f8d4557fcaf98141e1534ed31722af59ecf859612317dc8b9b1d61abe6b3b718b4a0adad76242aa6bcaf36a884611ba2ac231b",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}