{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394958",
    "entityType": "User",
    "nonce": "0xeb1d6904c46a0bd1a2c5792ee5fb65c1ce9ed224201ff95a79d16d7e315b8ed1",
    "signature": "0x2761c78310260a24fc11b04a3ff02cf1ef03259a753ae8629fe145350301d90245e1860087170d0e5584dc45ac52b83b87eb822d723901efa99176f8cb1b812f1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}