{
  "manageEntity": {
    "action": "Share",
    "entityId": "503902",
    "entityType": "Track",
    "nonce": "0x834c869a06f99cf3a49be1ae424e66e66c7c6666404b7a7038375972d23e7aac",
    "signature": "0xeacebdfe47d57a4a0047fb9909b1da3415ca9ae7094647c854872287011b8c0a370bafccb583304c5f65bab0eca0ae1a99e47d77fb53e3129742b94ed7beb18a1b",
    "signer": "0x1128402760C92375e1550B3399Ea64c144c37071",
    "userId": "40717"
  }
}