{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x24f877f8e81b8be29bd0b0e2af20565dfc93086b1a0306fbabba12c39d65f087",
    "signature": "0x4bb7f1c487ea752ef386e33b8a6b8565fce4835205e254711464dcd54b0486592ad202cdc97da0698b9b9c7dc873f3dabce634673fba403f7a7345c2fd9b7f701b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}