{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218293",
    "entityType": "User",
    "nonce": "0xa9fcddff31775227d9051a098ec671a4712bb138ec5fa7e5b9e2646150c68aaa",
    "signature": "0xe81f4fd454d2c7098b3f3470685c898eeb8b3592f24a5126b7646a4a02b9361c1a2e3aaef13e72c42e86a6471bf0d75bd65e51e6b8a7e8240c04aaee03a4d1b41b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}