{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0xfb655cd4f51ce6722c6de104680dc523d260ae2a6ff632890e138cb09772ded0",
    "signature": "0xf520199b413a7e8634339f1d6d28e9fd3c9df455266b3853fc59b65db681205f74c53ed5acbd145dbcd7c86a0c44a0d56cd855b079d5c0c28687dd7de511a3051c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}