{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44964220",
    "entityType": "User",
    "nonce": "0x0cc069c4d3e56465f2ea80345912669056ca480b4f6979fc469d8625afc7607a",
    "signature": "0xde35b7408d0dfb14e6943b1234b41369e1d4fbddb63bdf1c15c8556a8324516c50e23f2842b41c110873dc1b177983132494406e3e89de8eb0e2ab23d4ed347c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}