{
  "manageEntity": {
    "action": "Save",
    "entityId": "36056",
    "entityType": "Track",
    "nonce": "0x9a0411c01cc353d375d2a1339bf9555e6c8a96215590f5335592745d80214c65",
    "signature": "0x4149622644571b3f19bf3af31fcf125c3b638115b628761c074f8de0d96908091e1e25ad275dae1ac5845a201beeb4aff6269d39a2b6b8b8cd740f5d9d2298741b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}