{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135858",
    "entityType": "User",
    "nonce": "0x679baf1cbc5edc4d9270db5b1cba7879a0cad2fdbf56a4c12713b96766867ab5",
    "signature": "0x557711f7495a7141d0c0b66d02241cb46d11fd2bb8e5cd8a9f7d467650d374fa189e7e5c8927ed78d7a36f2e0833d726b3fd1558376c08ad153c7d711baf41d21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}