{
  "manageEntity": {
    "action": "Save",
    "entityId": "826832691",
    "entityType": "Track",
    "nonce": "0xaeabe2ced85dc76ec78e7fa1d74ed66e0f1551d92c0828233379dcd5f7998328",
    "signature": "0x26be606eca5cddf146afe938a37102089454fb3c52774e46bbb50a392d4c08c71907770fd3e0cd973c51207b2df6b9b6648540d8aaa32c8216ff2b1f4d39953c1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}