{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127050",
    "entityType": "User",
    "nonce": "0xf701beaf2d4ce5dbd5223f2d902a7a8dbcd86c8919f6b29abc8e99fb501462d0",
    "signature": "0x4f8015d43d34e27468530adb09b611cf0554470a67f9afbd53078823c9dd6fc22b004339751d29a9d4b15d5f2de3a269ea0b0a2537c47f74bba97a547ebfff261c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}