{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59719",
    "entityType": "User",
    "nonce": "0xe311c9aa68ff31c5bbc0a3b33438bef8e75cc5d41a585b780f7f73e7a3ca0a17",
    "signature": "0xc99e795cf0dbc0d636c84cf10ce6d04b5987560035062b1778e086fe07dc4a7a6540be7c6aebe8238938b556ab156aade02697293e2931fac750e6e9ccd2dc001c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}