{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152457",
    "entityType": "User",
    "nonce": "0xf506628002e990787a569bdc02dc519cedcdf0b8334efa043c0158bd8381f641",
    "signature": "0xd8d3dae892f54f3e3f5a056ae07aa3a33cca43cdc78c2f9dc60007b5d5e443d1183541b02e4b424b716d422ec94d2bd92f9928229ec63269f7149a0a245e36901c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}