{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10373",
    "entityType": "User",
    "nonce": "0xe865dac7e2b7f56b59cee9af7b447a9b285db586d28bee93f51cb9eaea2cc653",
    "signature": "0xf33d3b2b89b612ee3fcb0dc9436d70555113cb299a2feec74702cad85a8fc6b84114a9ddeb33ab91f8f279a746e056ed3f411a927e4dfd2a8c08f12c7348c0ee1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}