{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0x0ac533c4dde836ec7e73c64117b2d0af5fe4f0a1663e9e5aaeba72a766021bc6",
    "signature": "0x8cf186679418d03dc14312dc48779bad55dedc4c848637392add6cab2ef5a333143a3745ab757c3ca19e892617e9313e8f079711d3c5be6adf20ede8b097c66d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}