{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0x414f8d5a5c16374299db14bd8e77f8a35634822f4a6bf0a824ff882289ab27f9",
    "signature": "0x8077fbf69f4b8cbd8c8978075144be63f48c1d6e735339befc07269d8bf21eb953045c99c55b8ec7ad15adae3b8f94c22102aae39cd71419b073118559e19ef71b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}