{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174622",
    "entityType": "User",
    "nonce": "0x21bcd7014b51fafaf565833ab0b377df55c740c6972e606d2056ac7322ea3459",
    "signature": "0x0788e3c370b6db2f8545d3a5df2965b628cbfeb23aa597e7508f17390312833d65c461a9e5e2a5188cc594f42588e353dd6f7c36d57dedf185398d3b5b159d691c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}