{
  "manageEntity": {
    "action": "Download",
    "entityId": "1642812336",
    "entityType": "Track",
    "nonce": "0x4423788bb5101e86ccc5e880693ce12d6352a37a28ddc3349ee3d1191fe2fc26",
    "signature": "0x6d7089f1cd2f560eb892f6e4fb64b80b4cc00f88bb1fe01cc1b74443fda2e8c80186570b8ab673f53fc5d6333c8dd184bd990795d3cccf5fe3c4b256f3329a6e1b",
    "signer": "0x42e695462662E8EB1FE25c8064B83E233d0b100B",
    "userId": "586354841"
  }
}