{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1112",
    "entityType": "User",
    "nonce": "0x8d892f0e018fb8753638720bbbc32013b3119abc280a78ac751bdb342615911b",
    "signature": "0xc4601f4dc5b788b27640fd7470176b2bd1ce5e02ddbdb190add86264d2450bf3167804068ebd1c4eb9d1cbc9eb39a73e8f1484a5c922410069cf450fea217f181b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}