{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x9291a54ef1b846f182890f527a7a54babfd21351bb48eef7771daeec88d7b30e",
    "signature": "0xb4cc85329dfa687d51227ecf0ab22104be33aad7deecb70fcd5648e9603006fb4f777b258f0bab995d911297bebfdfc852c789491df0df6928ecad7a73f304211b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}