{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241801",
    "entityType": "User",
    "nonce": "0xc5e58b5c534900a4435f2ce08ac4450d70d03ffbb0b41dafc92fedf879314790",
    "signature": "0x37191e251386f0c170cf3adf62c7b1a563a6663d85fbda844f06e3b4134741bb6b0f729c0853e30a8b685aa1c400ad0b8ae85fab8a01398561fba94bcccf2d701c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}