{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369981190",
    "entityType": "User",
    "nonce": "0xa1769e22f67640c062cd21e04c91bb1758ad3e293a2941506ca84d0ea16e7f58",
    "signature": "0xbd672e703c927287d1e0bee5587d9a2351452b69fa101a6d20822bab891321423f6a98dfeec2cb4fa3f0d44aaaf17b1abf3c3cc342b253c4bed94bcc2df0b22d1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}