{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2195",
    "entityType": "User",
    "nonce": "0x5d53d5bf4cdbdbf132e5ee40a34e412dfaeb822d205fdd2a8c380d9cee509ae7",
    "signature": "0xe37df77c54f0327919a5454d0e1c88c7a7f2865c33baafbd8113bec37ae3425840232f9d37908d644fadb04c36740514062a74cbcccb6eba945b596bab19c1951c",
    "signer": "0x1BF18676e3272039E0bF8f2a021954D13cC10a6F",
    "userId": "839909525"
  }
}