{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xb3bcf21f70732a2d172f6f78e9dd0c09c5a439ca0e2f0d1642d3ca2372a5e31a",
    "signature": "0x4e0841cf1dc926c3436004becf0f974bf80302d1d772d101d67ba9ec87fca9c07089328bea40c4130548624ec78256e1c28287435545e694e8f74394bb88d7cf1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}