{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xa188984195aac0aa6f5e91219e8de76f93d833d40b7221844d72a077b6f5446a",
    "signature": "0x3f845d61a8005929838e0aab6c50b9a327b6da859f3b9b5a98cb8c0f1602f82e2f7b484d84db12496bcf06507ce3d743971ffa5c5b20aa4a4851af4609fdf75f1c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}