{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350534",
    "entityType": "User",
    "nonce": "0x7514e31d9449de30489c6e493c73d844a11ae459e9b29f91427de65f89b4cd7e",
    "signature": "0xfd7e0283f75ee949ce88a29778e31c3d30355103502e886e9218d04c3eb1b5ca624c4f35480924f3f44113c94ace4f7b92fe02c585d0791cf57a6929b764a3b01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}