{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "822634025",
    "entityType": "User",
    "nonce": "0x9f2816cec19eb0224d23973f39dde51ccca994cc55531a41c7617f92535cbdcc",
    "signature": "0x9f202a22637714089edc6aa9e833b2c48b01946f1c602d6e897f14e2e1ded83961be90de7046f70831ed7a04228f702e482e9769a0791ab415da6159bb8fc9831c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}