{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461037687",
    "entityType": "User",
    "nonce": "0xc70f537438f0137916bd9fbd204126b73adb9d4481991c64ca0998c62358e612",
    "signature": "0x8d5f3e29d8b5b46f182e507f09c480b10c70ef9964bbdd836c39e15cdc0160c3651e115f9bad0277f603e78cb81118a4ebdc86e69186afc4bbca026f7f9fb9ad1b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}