{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xdbce15d7f0fdb814ad35498cbda46627ac62d0ed8efae656a77d98c72593b107",
    "signature": "0x021bd6f2aba52fce154caaf8789e95a536f58d0d40cbed70037509ace90ea89a399cfc9693b219aea3e477e54043898adb6de5ddda230593c021e21e45a6a0ba1c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}