{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76937",
    "entityType": "User",
    "nonce": "0x721da0a33b95e839f05b84966766d724f8822c4fcc45ad14aa9bdf7d95f17441",
    "signature": "0xac673045a8d649aad15d836266ed6969ff8e70d3b0fad7aa9918febddd5e90f30069d6c096be91f5d2dee906a9cc6e120b842f82bc8eb66e31d9bb0c3eac150d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}