{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "626857797",
    "entityType": "User",
    "nonce": "0x117563b4357506bb79193dfbc4c7785ce546b4205ce4ad143bb64ab0ac238088",
    "signature": "0x922c18a5469fd98fd088d45a5a5a075ffb1f29c88c63490bc089d6ff9344802f64ee0bc26457ed126429f1064ebdc6992efea45f9efef6fae8d6f92feed0368d1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}