{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392941848",
    "entityType": "User",
    "nonce": "0x6694638e9c01067ccd888a92d831794d9f613adb18ffe62a9f77cfb8c845b1e7",
    "signature": "0xbbc09df483cce6edcccf7eca00aab3c351df0d0ebea2dfa7323e7d4d8f589fe01948231f234d0672e8f2a2115b591871cd50ed97284d2d831e038dfa699742631b",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}