{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9c1d37c3d7209ad2dcae92bb23c28e3f875eb35dc4b41aa95dd1be6fa66ac573",
    "signature": "0x40ebc5834f0c3e3321b844990eb6207e5d856f8d0c85d626f090b2e843319e8b3a8514e43dd1b6f9f82384fab7ab19ae1ed54d8b14ba1d75fd70e7cb5563e1bb1b",
    "signer": "0x7cd25FB30C9BeaF3A4ee8191d57bB6C598D317CD",
    "userId": "757352381"
  }
}