{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x12e9b130f51c8519aa81ad1a18bd369172d15ca2f5a8259944c7928c4a7e8bce",
    "signature": "0x1d13d78d898c41727844a4317fda96e6707e4859e4ebae3438e3e06c2ac97db07c9e0c677e9d5b0b255adb5aabd6db7593d7a766776a4536bbdc76e7e39b24fc1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}