{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x25dbc7016b3ed80030200667f92f8102a061a12c102c41de081526f3d8116730",
    "signature": "0x4a98a75c243b762bc3cc9ba8a503e28a78240dc6352cce089269cfa29e6945b35e86c655df8a792e8048b7f212562699676dc39ebb407cdf9fab9ff1246e447c1c",
    "signer": "0x966447cca409C717A11458aDECa42847FE423AF0",
    "userId": "674042507"
  }
}