{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217452",
    "entityType": "User",
    "nonce": "0xcf6b1a26b38522701bf5c7f9f226cee788d63b49829a0648446e2140d2bcd947",
    "signature": "0x876ad9f2f1407c24a4ae476fa95b74bb725501ce2d60d8c38c8c69b0849a2d8205c1b5b43330c313e0c3693cf2301927fb28f37b63e99fd5fb445e9a9363e3f31b",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}