{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316319",
    "entityType": "User",
    "nonce": "0xc0696b3b2aa1a688a564cb6b2cb2c605223e58274625b071e709c24db0ab876b",
    "signature": "0x44442d2d8c521578ff812ee5505c66adb85a928d06fd116befea8179dd7fd49e14a2cdbaed8876e1223eda6f092003ea2fcdced8f59609a6cb576e8221a994371b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}