{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "624280781",
    "entityType": "User",
    "nonce": "0x6de9b9b974fb927f68c9d1ec4bac2eac10a6e932ddd2e1dda1aaf2dd6794b124",
    "signature": "0xd5ce92591d7594c60a2969b1750d55097de9b6b50939d45fd06f5815ed3a2b730b5777b5b55aab92b9f6cdaef4c58f6d59675ad2e4ed528896eb165203669ddf1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}