{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214076",
    "entityType": "User",
    "nonce": "0x7c510c9870df3f84ceece493bcb79173e5ebe0c227f41de7e90cd765d8664896",
    "signature": "0xae6beee04db54ea9f5f0ad1d2d7b916704f37ff4470583c18e7b8415a8ac9a06359485d436730209ba7bf0800f646ffb6e6e65a6c4d16d258d3fd822ad4c9f291b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}