{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2411",
    "entityType": "User",
    "nonce": "0x9a6dc759070f63f20bba34a160787e7dfba4a08c2bd4f1d6474c376a424bc7a1",
    "signature": "0xe767e16774afca8847a391520bcefa7706163801468a351c8dabed7d0d12f610504a31d0d23b983a41cb5619a5e44f13bf1ea8b78a62e8cb577fba521f1864211b",
    "signer": "0xca179e2504013f012d6b9328fAa6eF6Df54FE38E",
    "userId": "384424370"
  }
}