{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x05d4db9cff34f7200f754abfe302170eb3326437b274abd5217e459139ad68ce",
    "signature": "0x85f8d154af45301c02c0477dff93ad7846a3131f2f7494a2b3e99bffdc6279002999262cf1ed050b11ca220841bf33dd5df3a0b90caf5d3b669904a55af0f6011b",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}