{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112400",
    "entityType": "User",
    "nonce": "0x820f71839fae3c47704f50af3f2109c90e65fe703723f432347c97d0dd2c7432",
    "signature": "0xa9c0fbd8be8eec6cfa4f0dc1fbf51b7ed88d3e58d8a3f471fcdfe6964cd35b412573eedbbcb252e28131b4682f30e2aba2f50e87c728e53419104243d7cb56b61b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}