{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0xb3fe0338b9822d01df12d3bf2502a17114d73ea318169ad34be3ad89fdf97924",
    "signature": "0xa8d9fc0a39398ef842c2f654ac856c1edcc773b5b8659ece3eff07c1adcc48a3702e7ad48332d8be6c132b0c18da0b098fd602cf9760cd362d881175d1af2d181b",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}