{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16122",
    "entityType": "User",
    "nonce": "0x30d168dddf58803872d7b2ba560384893ee0b63f74d8583d2811c231b7fa14cd",
    "signature": "0x3f67b0760865623e22e0a029d8296a16975e29494d3a1cd89f75e64f05570eaa21456918df2b69025396318998426bad608b1face926780378a439526c3d798b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}