{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x095ccc7d2653399323f1558933238989b21c8cbcdf7e7306faea05634b433fab",
    "signature": "0xb16d268347a530acea800277a094555763155e191f987a5944d484cc032e9eed2ea75295f2abbdd4cb68b6eafafd8b9f7ba4e39670f78417a3b476ad1eda498d1b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}