{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1805540199",
    "entityType": "Track",
    "nonce": "0x9e29691bed1d4b47749de0e325215a8354e1af09d5d80af7ef2139b8f795bfde",
    "signature": "0x19d2cf5cc2980fbfb9728c59381bfbbd0b6e59ca9a42668202a722f98ca330255573885becd82010e45932d7bd35f83c2a530a7bde87f083981be23cf974c9051b",
    "signer": "0x6A65482563D42729663f117B039625DA5065D1ae",
    "userId": "599973709"
  }
}