{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x97893eace280f0bd362b33acaa6f8c839cac1fe4b77fb1a82b66ab8554afe38e",
    "signature": "0x9c92e1b2fc86fe506c17799e259d74dd95d68bc5dc823766b2805de7aa6bca8220c9007e6c33254f265c043c11bad2344c8d1145063d943f11a7af51fac94da41c",
    "signer": "0x4B03B9450DcE329d16f317309777a1ddDF894705",
    "userId": "74596186"
  }
}