{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7088c48ff0d8cb3bf83aa9bc2857bd8b9bade2312f02686e5a9cf3ad814ddd62",
    "signature": "0xd95616e7661b65352010e9149eb6318308d9d288d60d327da8b82691804465fe2e59a3b2c7482dec2614f23733ba4ecd9068e2fa81544a8c9432ac1e40e528a41c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}