{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1645942",
    "entityType": "User",
    "nonce": "0x20b33c13de3e7ae33553d5a2ba95d7e6784f18e59aeef73b316bbd4d6146004c",
    "signature": "0xee86b59ba461e0ac99d7bba14cbfb419f79a44bc2d5efafe3108ea2eebdf905723f48aa64f438339834c0ea123f52a7269359962f61017cae39b361be3aad9011b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}