{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "248813",
    "entityType": "User",
    "nonce": "0x7fcd2dccae2b92045b410ae543cc0fd5f6110c2a69d7a4234622995c292bec82",
    "signature": "0x4099b639dd268dd0bcf6aa895cb9fd9f30faa0618a008449b7108c145f236c30338674376428b621588086b049602b6af325242e2c7cf9cc191d3bbe6cccfd371b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}