{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533512",
    "entityType": "User",
    "nonce": "0x11edd9b919b04df97aa49d374354ed360d4256d97471da0f03bb084dcc722545",
    "signature": "0xc1fddcb7fa9042c7e9fa1d333e80d5db43fc571c3aff774af3d8ba64fbf011662823313ae61375190cd9250ae1dbf00e7ab0410d62d6fede9303f837248d35861c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}