{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0x5515d596af1c2777b71cd1ddfe8037b81b3a9fdcc4376aea762aa95d991cab69",
    "signature": "0x7f20865b31d9c5219a8acce900c921f446e16464dbee5b70b125d8c25263e1d43848c601b511f4eb2e3c81dcf42a531918f53ab9d09a439abb9100e89198c9ba1b",
    "signer": "0x46C85bbd3c0c697Ac1Ab2Eb3c8684cB5b8Ef7ecD",
    "userId": "368331039"
  }
}