{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0x11a09b4cd3c7b0349859063746381f47088dc584b2b5c65a8c9662c95d91a470",
    "signature": "0x1792ab1e062d8a8fccf0816422785ee8017f3f178cb594fbd93fd0499285796e79a26fcd3e319f80d7d7bf27afa8a31f0321d1f6d21d46f73a1a81b138d353c91b",
    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}