{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xc6687e07f77cacaef13a39921a8929295810d8d824e906132fb626664ac93fc9",
    "signature": "0x017625a0bf3412c1f9dd7f287d80d3f8deda1f85c68c70545b4363ac1b47ffd9645140a43f2298ee002dca92de945b5d734f33d510f11c2650a0f699a9de4a461c",
    "signer": "0x4affB179527ee604CBCCb000A6fB3E5563330F2e",
    "userId": "265097712"
  }
}