{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1481739",
    "entityType": "User",
    "nonce": "0x5548c3065d838bba29172043c5a5fce65383d611c6eaaff0e947492d98c689fe",
    "signature": "0xac2e687497a7533d4163a581e34519a65149177e25b07ce942eb3763a9ff550a1322afcf9b199d87aa626b5209de474ea1bace06f5c18279d3a89ac041b2fd181b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}