{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xc0d20beb0fde89ab99c79510086205973499ea82ac69fd1416020ac3eb2511da",
    "signature": "0x71184869222389db6fa84159c5e3b588839c71d61a3046f5b64b62225f88eb195f3ab263c9be449153035c1a5e2015b03a43088b515872f67be13089afabb0741b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}