{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100638",
    "entityType": "User",
    "nonce": "0x0e847076bd101c935307d780682c07e63e8a59c6ebede71a296366e721567633",
    "signature": "0xa6af643b95738569484753cd1127c4d9509f6691c55f86a787a6298a968940d1686c07696947250d735289a339dab40bc9230f48d1630b02b2578b7aa2838c621b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}