{
  "manageEntity": {
    "action": "Save",
    "entityId": "36048",
    "entityType": "Track",
    "nonce": "0xa699a44070661b7e9ab2d29ef6efd4d0062ebf97f0971e14f38d406a52ae6e26",
    "signature": "0x6eb8fac9ea1cda26b504e53a71cb2f99351a128d65aa723ae4096d3ee07dd1112c0910e23f5dd3bfd6e83b9e74c37019411b81752105766e192d620e334f75f61c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}