{
  "manageEntity": {
    "action": "Save",
    "entityId": "1086560113",
    "entityType": "Track",
    "nonce": "0xe32e7a5017dea9f727e4227acdc534d71812636ece87e0a5aee32d426b514574",
    "signature": "0x8d17d1dcf913fb065f394beeafdd058336295fbaa6ebb03ed340bb9275aef1b31f9c369d23f20ad69d303aeccaa542ada301ff45673dac19a266b02ca0f254aa1c",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}