{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "403468133",
    "entityType": "User",
    "nonce": "0x2f62d795da29242869176778b8bfd6e225df54ae932bac5439397512a4d30862",
    "signature": "0x6bdd466afd2b73bbe3887df4a24bd62c9bc84e46c30f6eadc6a31e2a1c97f81e003a626c2f09b9992d31dd10e370c45d528ea84264356c345fda0b6712d594711c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}