{
  "manageEntity": {
    "action": "Save",
    "entityId": "1827680089",
    "entityType": "Track",
    "nonce": "0xee6740560d94fdac1bb8ae84a720d99e61aab6d60dd3890c67671aca6d5f3b59",
    "signature": "0x5278ddecf9141869d6d1ff37034cceb7196a6cae1d2405358ced85b10a49ab4378803ccf96b62421f7477fceb67cfd042f2f7278f61be7ea21b8889c6e36a6db1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}