{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1725344",
    "entityType": "User",
    "nonce": "0xd99e5feeafe3508da3a185c7a19bb5581d21a0d13eb10dd8ea5e763c3d751ec0",
    "signature": "0xfbbbb109bee5714d15017733da96d3417b2e8b6478c58287a3aef01bfea083260cba83fd8cd0a0aac978d7911f85c01c0315fe80971415de17edd9ec9dc12d281c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}