{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205075370",
    "entityType": "User",
    "nonce": "0xc750275b26a698b6e5ef665bfdce54b08e4de6845adaba3b8cbea2e8bf29104a",
    "signature": "0xc71ccdbf6fbb0ebb86fb09d9114561e4e6408fb113843f4e4e8e8293fb34212e0332853fb4843cabac57392e41432276a9dee0f0d99a8770abc6f09a9e9ab7b71b",
    "signer": "0x0685dE64d6C1DD2F4492DE8d4D836Bde25c77910",
    "userId": "392433914"
  }
}