{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61768",
    "entityType": "User",
    "nonce": "0xe716c40c0d591b017d5946355d041a42c8a5840ee4174c17a0436da662541f3c",
    "signature": "0xf4b27445782e49875a449acf3d4660314f131d0b07c18ffd53170c5814964dbb240750f00a55e4499025a1cf36e75603a6a210aff1fbdf1012e73ab16518bfa41b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}