{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0xe173c604c4e6209e2749f862331721d2f5b8b2a15befce7ab97cebb24a531d28",
    "signature": "0x3a2d7f7288ff008502a9b857dab4abebc1d7d6fcd6c23b5c2a7421bda1f2a67e3ad557cf934f9d9d9466960a8489440de404aa2422df395166532beae2ae7b511b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}