{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398277387",
    "entityType": "User",
    "nonce": "0x2a041d985ca025fb5510efa66b6508f91263388bf2b97e7e10094a1c083dc692",
    "signature": "0x8e5a1ad7cbabe922386fd47b0476baec17bc4139d81703c231e17fb9f418ca8167d623784ec281df46533e65b76a8cb4641521304c61e5ad9156a3403986af891b",
    "signer": "0x942024F98F1B8bd6Cd58C6ADE468241BB1E3B6c1",
    "userId": "218914069"
  }
}