{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x0a65a39b71952fa626d645a54bb48a339fe9ea3d02d51240ec559360b9bf4d3a",
    "signature": "0xbeb3ce19b2ebfa89db7e3ee0aa41e883d91e27a95cac5aab4fcddf0a79ed592769148c42eac6a9ca734f02efa510e887e034f4ba813a656fa03d121e4cf0517c1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}