{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127340",
    "entityType": "User",
    "nonce": "0x8a94f568da6c26e607816abbd392d1d8bf164c43422d85a0350cf447dae5d3f8",
    "signature": "0xfdfa9a229cfa791f51eec3731853f16fdcd9f5cfd08dd6a87a243ee4ae3b8d036e7e17d5a7f306ffbb8d2d79c56a38af2d2cb6acc4f85b0507d603d467d8a1441b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}