{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "897",
    "entityType": "User",
    "nonce": "0x62a722d16de874cf65d833f321f2cf9d1588da3790877928bef87be720edac05",
    "signature": "0xc92910304b64cd55829ebba6a95dbfe246dd7d22648d6b8a794c1c18a14280e84b1a7f497109d3b3cc548fe2b1542488fb5bfe6e9cf2bc6f3325c0c0efbaf9801c",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}