{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61873",
    "entityType": "User",
    "nonce": "0xa25d291ec683ff6b376a83992cd021fb35e36618b85a4da76d6a6ca5e199adbf",
    "signature": "0x6879b8558b0a6abe96697029b7b9b69adc43b28c0206f16e85817974f06db850037000122f7e59a45f087ab140719cdac810f84c0f46538dd79da4fb0fc93f7d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}