{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349488",
    "entityType": "User",
    "nonce": "0x7d19811695b5d0c1bb4cbabea617451f36c178113ed705f5bf9d2883f4dfe925",
    "signature": "0xb1ad3d2b85b2a15021269705f5798bf3c1c18cf55a150d6533c90542469be8486297c96581dbe2370759ce0c5185e4d2c38b70fac3843675d003ad235b78d3be1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}