{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3be406380920f344e0e31332a7f3a2ec9c88ae4f4bb60b89953603dbfdb74ee3",
    "signature": "0xba35fe4ac8d327956c9d5414c10647f8016d3e167eabaa1fa8188c60bc3b24de724cb65aa98e1427c81be1b7572dc4af026624f3faff249cd5ae1598c26ff2cb1b",
    "signer": "0x156Cb52FA9983c6345cD47BC21370bF2A4F50fC6",
    "userId": "629680232"
  }
}