{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33799",
    "entityType": "User",
    "nonce": "0xf6642c8ebe17468f8df3b0c8378100e4ef469522aee1671eefd9f02f4a363086",
    "signature": "0xe77e1e18eba4cd2af7c0f07575b51ac0c529f5dfb8cc9c68fba83c3259603ed112eeacfdcb2ebff0e78ec8ec397fd61d22348a6d197b3e9bbb2fe0cf3e81bf591c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}