{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x10fd552e3379f8464ed729799268aa091f4b592b00dd2c1a3b81e6363df5f3e4",
    "signature": "0x6c06e7b1ee41a00bf6da1f1266f55797e09cfb649145982a2afaf96f4096d5932bb4bc2d6a02c415fd572b64372547e3354e25c9b9821633d4ab8e3e680be5931c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}