{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xd215fab588053659acde219d9eb9e6c1172e19ba3312c77213f83bee4fe8d263",
    "signature": "0x7c153b34db1db13b67f797e09ea7226b29d79189d291cb61077aaf18e401995121c7777277741aae81123895632653d2f10a368fa9b06d375b2187c3c06178aa1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}