{
  "manageEntity": {
    "action": "Save",
    "entityId": "1165766850",
    "entityType": "Track",
    "nonce": "0xf7433a26567aabcbc5a87a8f82324375b52c4fefb734b5d8fc410be197355345",
    "signature": "0xcbb2cc8ec29a6484fcf651f4c150fa7e4795b7ff69f692122ef880156fb87c197ad505f92bc63acdb3057435da830e5c7e60c8f5f0166e82a52504a11452c3f41b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}