{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xbc0666029d6c2c10f8ad1ad450633ad1f8379b71d10ad29072ca97af11f19f21",
    "signature": "0x7fb077421559c493e5f405c762ab32bdcde424c5fdf606d1d329119eb68213fc54a7d27accfd8e79a24b1eac2eb526b5a28cab4843e9874bd52d1218b529b6471c",
    "signer": "0xB56F01eBC829d36fE107dbc4CE39b97D5dB51356",
    "userId": "923852448"
  }
}