{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "534459102",
    "entityType": "User",
    "nonce": "0x7f05c87e88657a7f25ffd982c06fc8a0bcb7cb5ab60ede223abc4d18f14045dd",
    "signature": "0x2ab5eac53cc24813db8572bc33e8862a869e1b67840bb21ba8688ceef16a9efa400785b27a9676e8933d2f4bc7536664727ff47eadff0557869947a455c47dd41b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}