{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2014248",
    "entityType": "User",
    "nonce": "0x35a8956251f21f85d80b8a4f548e673ee43d1e886230662fbe09e75f9e42a904",
    "signature": "0x399c329018b9ebcee96f15d3dc8e523fc7168760b32917f15b92f0526756b52978dff76252bedbc5c78accd31f4227e666e8b381ce5050cbb14fe64f71f8af121b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}