{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029295",
    "entityType": "User",
    "nonce": "0x5deb5b62e363c1d1f0221329d51080d487202e01244c755240ee07cdc580a1fa",
    "signature": "0x0ab32a1d8e3acbdcbbba19c20255c9421d756c859620c0e6b6ba840cb9934977176965ef01e24590e09f975a711827f8e1cf86c9571dfdaf0b5c4c01a5b5ea301b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}