{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55783",
    "entityType": "User",
    "nonce": "0x17ba7a8c94fa7361c4449926b87e729ca0a78e67562083cb1e9267f79bf6bfe1",
    "signature": "0xa6d72fcff00241eb9e271c3c6127926d7b34897e12ca779bc6b050c2519f8134711e78a6de79c25edd9af541a6ebf9603f1e9e7b22011999ee57b38b0547c72b1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}