{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470512",
    "entityType": "User",
    "nonce": "0xb2590f3a009b9b8c1b3cafa50f288b437a39df3d8fa82ff3437733662204915d",
    "signature": "0x0aa511ac527360cd972fb4a96953c3970591af1c591859d8418e558dd350a39c178f02958f3533a099bde28565bf24e10a3a69b3d9f33abb6ceb60699b27bd1e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}