{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4198",
    "entityType": "User",
    "nonce": "0xb025f1ca7eda7f239d5216cb9e22eeb41cec5738ccb023324af1c0ddbbe62b44",
    "signature": "0xcce27f2f2b0005c82dbbde8b1f46738adf3c7f55087e796668ee97068ec6e3c55395119a91dab44a1c58abb4c9fcf198f7fea454b5d6265933dba8b7ca25e1bf1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}