{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x9fe6184bdd8aea89e6fb9f02e1a112ef667d64682281a14d3010f9d2d4b291c6",
    "signature": "0xcc800fb2e7509f5aea1d824d9e6a074d2afc6cbbb03aa61fe9a8ba3700db131c588dea49b1f3d72e06c8f619235a5a9843b778ff367283d65049cf98467afd3a1c",
    "signer": "0x28E33991512111134d5d0a41560151532083B312",
    "userId": "9962"
  }
}