{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849737890",
    "entityType": "User",
    "nonce": "0x96746ffde3160505d98bcca7632e64df7e814aa494554419e7a4396c373bca96",
    "signature": "0x1abd45c6163d0f12567c886089cf072368653dadfa2871cf2eba741dc5e8fe4d19f5fce7eadbeea7368b8863cabd0facede9fe30603daadfc3062b3705f94ed21c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}