{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcd8b53fec9b2934d5d869707a1226e5c85c4e512f73e1801a3cd23457f337743",
    "signature": "0x804ae0174f8830278e8e8636a041049442c1991bdc38c8ee7ae5f1f693a43d777d7ea665477b687997ef670676f81b409f54381c51ea2ac2073b5394494a1d7f1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}