{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "95172",
    "entityType": "User",
    "nonce": "0x39f78ca8eacde0a47a7d28f82a21b42edfeb590946e6e6c1572eaeb4af1fddc5",
    "signature": "0x94f7c095fbab113629b9ee7e3c2cad980b158a3ff7916e59455aa4eb44b5e45f0c0f9c71e9290b5ce7a7a23d6081d7d670c6a358e6ff1bd2f05bccd3b9a924151c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}