{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135340",
    "entityType": "User",
    "nonce": "0x0b1ea916a8e1c65f7648a2e3cef77e4944575f4280648d795b50199ddd6da5e2",
    "signature": "0x36c65639c6a76acd0fe910fcdca6654a63fbacc17b1519b67eae6ba526b76743586d72aae44ca19344e5be696d0d0d4defa1aa012137af72f5a9a37e5338ff671c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}