{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "633359681",
    "entityType": "User",
    "nonce": "0x72468079bdb2aa27e9daa126197e7a28153e910b9375799c4d0ef182e8898390",
    "signature": "0x9df5dbba184a593a8c40cea11ef5c0ed51e6d385d6e48570f13955b53228dc3c66798414d35eebb66b9ba1b084197df8abf81b6845be3865dcaf14c969c508731b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}