{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707265359",
    "entityType": "User",
    "nonce": "0x84a32bf7b0fb2dfc1a16e11c8ec7b3d8c93ce9463a21ed8f49469906c0a55379",
    "signature": "0x905906cd49771aaacf2fbabf239b8e57f095ad633553466433968fd322c5fc713b5d8462e80f39a8ee5e8830f8e5f60c97279cb552c994bd265b228caa004e211c",
    "signer": "0xC24bF1b9beef42229F5912045FCb2DBccb0C68FA",
    "userId": "129733318"
  }
}