{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "397066",
    "entityType": "User",
    "nonce": "0xff29f717b4c999f9aa396131ee7c4b25e57f16685abceaa1a8ebecbdbe0a68c1",
    "signature": "0x1d507a697a79e44561644f9296511fecadc14cfa1a432148c848893d7d387c953c854895563e620cfddebf6830725a008cbbe73cbfb254b768fbd9c9ad2f00861b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}