{
  "manageEntity": {
    "action": "Save",
    "entityId": "80536091",
    "entityType": "Track",
    "nonce": "0x860829b804522006406cf51976b302c821418e728f79eae3fa5dca5cb06d41b9",
    "signature": "0x188c1a45ae187cfb4acb6ce0325f235f46e5e37e8d76a29f79979f3478f31eb413d837bbb564a8b50b3673913b39f3260654185440f63c0b16b39ecb90c894e91c",
    "signer": "0x086064Ca7ddBeE2483E6154bFC2541ec25Ea0fA7",
    "userId": "323557182"
  }
}