{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7355",
    "entityType": "User",
    "nonce": "0x86fa1f43fa5ffb164814895c7f704d8ca0a032d95d689f8742c96af5d0052ae1",
    "signature": "0xf88a805aa595d6c7b919665495d25554c60d1841e3abccfb89f0a703e55764fc583b19c4f0b6e099b8594412adfa052662844720ca108c4addaf20e8522c1d0b1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}