{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "732945",
    "entityType": "User",
    "nonce": "0xd2e98403558c4a74f758281cb1534061c2cb30222508614961bf67411e077874",
    "signature": "0x7eecc8942e1ba9e1943f5d749a1d86f015b83e0f7389d678cdc215385f0ba9a15084e27203eaab1973bd6e4a42744278e940d3bce6cdfbf67eb920c24573efbc1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}