{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202245",
    "entityType": "User",
    "nonce": "0xf9e189717f9e1ee8dce697ee04287aee4fbeeb03ec6e67af2c4c0c0832b35841",
    "signature": "0x7efba7967273fe0945426f476b0bff6d52d07fc9c9e2515a77e057384de436fe5b87d8607097d3244eb86efbd9a01aafb1eedc51e4a82747a46e913032a993061b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}