{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xd58c0a93661073b9bfb833ffbb7bffa229afe46c8fcf31ff1dd65d6f0f899e5e",
    "signature": "0x700fad699dd627cf18f74e247a6777d2afe3825364257875ce9d5a81c21e62fa145c5b904688736da19f8752674feff016be24d27d2947ab605cbfcab64e75ca1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}