{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939350786",
    "entityType": "User",
    "nonce": "0x2a9e02efd88af08054aadce6544d669c61ea83533ccede06f84e527ead1837bd",
    "signature": "0x9aecac65594f56a3606d23c307632180d69a3f5594e4300caa77fa7ad4358f3c4b0860e44e912552f4217dfc798d1bbcadcc064629f8ee5c605f7711e31b1d3f1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}