{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x358607191eb3f5191bb6a8ac40a9abf0fa066d9d3ad479d324a4312f55b27ce9",
    "signature": "0x69ac29ff6f7777c00aeb02d643c29da463f99df66916fead5bcefd9b7b9cd74b57c9c2fc69ef4ad0c8586aee37b777903dc0485cc0077b148840576e6cb27a8c1c",
    "signer": "0x7daE5eE30dFA8a8D8010115CA709Df867868420f",
    "userId": "947220579"
  }
}