{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224743",
    "entityType": "User",
    "nonce": "0x911cdd7456ab0312baf2776087920f91332ae24e5abddb4acb1b52ed5c063033",
    "signature": "0xcb6bf0def6b6aeb75af648c76a6623773ca343a794bd2f3f31ad39c91b30a61a6e02bb5ad2b80e3f46ae2ae14192f8cd62126c3259b5a0e35bb4559a49308f441b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}