{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932111677",
    "entityType": "User",
    "nonce": "0x378646a5882e236c8436381ea695c4e28d5e36cfcd08e5521dbc7e815744b96b",
    "signature": "0xf9b188788168102c8dfe6408de0456c7cb27b7bc138cb46968249dd8b7787cd61d0a401a4e92df7a4632450897e148e48e8435bc400fe5baf50effd3e2b84e5a1b",
    "signer": "0x0C73Cb0314281db439083e5ae4b1443Ac537a76b",
    "userId": "346579799"
  }
}