{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92019297",
    "entityType": "User",
    "nonce": "0xc48c1d275b27ae5365cb99bcd5967a3032d1b70a4b76a5be27ed571170493a69",
    "signature": "0x3551c7b0f7af3226e315b3fa77280f724085ca2032e4e0c9bef90095eedabbc44a2ad50f7b076f1b3a373bc49bedaceb150ce8158eb4b1583dcebdecd0c943b51c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}