{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168498246",
    "entityType": "User",
    "nonce": "0x5a53939ff806a33a9e7f6cad9e444a38d1d8ef0ec3226689b305e4c2cac50045",
    "signature": "0xf650a52848a973abaa96d95b3a0c64f6205c19bdb19f350eadfa0fbebf60d1f84d0a4647a9481a32d6b2d63c4c0eacd76d2b799249abbe742100a56a283c03561b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}