{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3848",
    "entityType": "User",
    "nonce": "0x4c8b841b8fe5ba5b211ab627c8ea661240c62d58fdef1162e088ba9775f80246",
    "signature": "0x541e7ff3136b1ca6f154117db4ee0279508041adce02c794a98b3de669163cd669fc6d823719f66c44325e4aa8148e29cfb7b71c05a268f7057ded890348fc891c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}