{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74582",
    "entityType": "User",
    "nonce": "0x688d3e60086f44a2ede7df006a85bf26b951367ea9bd80db6c61cdd8ff758aed",
    "signature": "0xc350070662122c4bad5ba1dc98bd3a56f95f209427d2da807b4153a83d4a7d6244d6fc69a34c398b5cead12b902ea0e60c1488112620a849e88b61ad2c2025be1c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}