{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63972",
    "entityType": "User",
    "nonce": "0xf80388ad5666090d877fa069469d8890b9f3d1285ee4343d095e4e01df6d184e",
    "signature": "0xd1889b182b23e89e636326773e6b291238bf3ff1e053658d49b174aa804d9402437b700c47241b0158176b87e1e5031ff841b3974612fc9616e7fb14e9354dda1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}