{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39377",
    "entityType": "User",
    "nonce": "0xadf114b8e618e47eae50a58eb6dde6526a9b6201d494533cddcfa9de258f4018",
    "signature": "0x86667e388cc32eb05959513e6469c7bd39ae156e885b5de7019f5db63882303e2eb28578e0a20265b2b0df876178eea19bde44824f36ff42fb8cca6154320c2e1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}