{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2043401",
    "entityType": "User",
    "nonce": "0x4ce882908ac10b66adf81690abdf9729d22ae2047735f2547675b6145e0421e2",
    "signature": "0x888d63921d26ab0f976af36764d47cf5c6b7d96764d6bbc644bffbf861b2a8a22f2c356b5024d8534d453efee1cea8d88c0460c997f67980c746c9b8d850f1a11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}