{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1045471e2ea838b202bd71ad501675375bb87c3d16e5f5a9ab3797cdf53cbf4e",
    "signature": "0x2096936ea26bc3eb5ca1c2d08bf3bc277c01173ae3468dc4793317aa934a49db42c2b23263ab0a90f1fe39738ca13a6c6b6b1209be8975794d732566cd9b62751b",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}