{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7762",
    "entityType": "User",
    "nonce": "0xea1dea126e86d75b54f822f8135a7f86e781aa7f2a7cc4db443a2b19e88e83d3",
    "signature": "0x52ba509f57a8c7101bd26b21f65de79b6cf356e2ced3cce431fb29bef67d0f027e81e947402646202b91252615cff77422d4cd20bdb40aff66f3aff55a69cc931c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}